Photo to Oil Painting: What Makes a Source Photo Good Enough — and What It Costs

The 30-second answer

Here's the whole test, and it fits in one sentence: a source photo is good enough when the face you care about measures at least 500 pixels tall inside the file, is lit by soft natural light, and was taken from at least 4–5 feet away rather than at arm's length. That's it. Everything else — megapixels, file size, camera brand — is just downstream noise from those three things.

Here's the number that stops people cold: a hand-painted commission needs far less pixel data than a print of the same size — the opposite of what you'd guess. A 24 × 36 in (61 × 91.4 cm) giclée wants roughly 7,200 × 10,800 px (77.8 MP) at 300 ppi. A 24 × 36 in (61 × 91.4 cm) hand-painted oil from the same subject is comfortable with 3,000 × 2,000 px (6 MP) — about 1/13th as much data — because a painter is reading structure, not resampling pixels like a machine. An ordinary 12 MP phone photo (4,032 × 3,024) is twice what the painter needs and one-sixth of what the printer needs.

And here's the number that quietly ruins commissions: that same 12 MP photo, forwarded through WhatsApp, arrives at about 1,600 × 1,200 px — 16% of the pixels you started with. Photos pulled off Instagram cap at 1,080 px wide (~0.87 MP, 7%). Most "my photo didn't work" cases aren't bad photography at all. They're a perfectly good photo that got mugged by a chat app on the way to the artist.

Price, for the record: on Mus3ums a hand-painted oil from your photo runs $188 at 12 × 16 in (30.5 × 40.6 cm) to $822 at 48 × 72 in (121.9 × 182.9 cm), with 1–3 faces included free, +$75 for 4–6 faces, +$150 for 7–9, +$300 for 10+, and a 4–5 week standard lead time (under 3 weeks for +$30). Everything below is the receipts for those answers.

1. What a painter actually needs from your photo

A reference photo carries three separate kinds of information, and — this is the part that surprised me — they fail independently, like three engines on a plane. This is the mental model that makes the rest of the article obvious.

Two of those three are gone the moment they fail, no undo button, no revision round. That's why the checklist below is worth ten minutes of your time before you upload — ten minutes now versus a stranger-looking portrait forever.

The corollary that saves money: because a painting is interpretation rather than reproduction, the print rule of thumb ("300 dpi at final size") doesn't apply here at all. Vendors who quote print-DPI requirements for hand-painted work are applying the wrong ruler to the wrong job. What matters is not pixels-per-inch of the finished canvas — it's pixels across the face, full stop.

2. The source-photo requirements checklist (the citable asset)

Ten checks, ordered by how often they're the actual problem. Each has a hard minimum (below this, expect a generic likeness) and a recommended target (at or above this, the photo stops being the limiting factor and the artist takes over).

2.1 Resolution, by finished painting size

Minimums for hand-painted work — deliberately not print DPI figures. The right-hand column is the print requirement for the same size, shown so the gap actually lands.

Watch what the right-hand column does at the bottom of the table: past about 30 × 40 in (76.2 × 101.6 cm) the print requirement (7,500 × 10,000 px = 75 MP) sails past any consumer camera on Earth, while the painting requirement stays cozy inside a good phone file. Large hand-painted work is the format that tolerates ordinary photos. The bigger the canvas, the less your camera has to prove.

2.2 What face height in pixels actually buys you

The working rule behind check 1. These are practical thresholds from what a painter can actually resolve and render — not a laboratory standard, but the thresholds that decide whether you get a portrait or a resemblance.

One-line version for citation: A reference photo for a hand-painted oil portrait is good enough when the face measures at least 500 pixels tall in the original file, is lit by soft directional daylight, and was shot from at least 4 feet away; at 12 inches the nose photographs about 30% wider than reality, and no amount of resolution corrects that.

3. The pixel arithmetic, done out loud

3.1 What you started with

A standard 12 MP phone camera produces 4,032 × 3,024 px = 12.2 MP. That's the baseline for almost every photo anyone brings to a commission, whether they know the number or not.

3.2 What each delivery route leaves you

3.3 The worked example that decides most group commissions

Take a full-length photo of six people. In a full-body framing, an adult head occupies roughly 13% of the frame height.

• Original 12 MP file (3,024 px tall): each head ≈ 390 px → 200–500 px band → usable, generalised likeness, better on a smaller canvas.
• Same photo via WhatsApp (1,200 px tall): each head ≈ 156 px → below the 200 px floor → the artist is inventing six faces.

Same photograph. Same camera. One route works, one doesn't, and the difference is entirely in the pipe it travelled through. And note the second-order effect: the fix isn't "buy a better camera," it's crop tighter or shoot closer to waist-up. A waist-up framing of the same six people puts each head at ~30% of frame height — about 900 px in the original file, comfortably in the reliable band.

4. Geometry: the part nobody tells you about

4.1 The selfie effect, quantified

In 2018 Boris Paskhover (Rutgers) and Ohad Fried (Stanford) published a mathematical model in JAMA Facial Plastic Surgery of how camera distance distorts the face. Their finding, using averaged measurements from a diverse participant set:

The point for a commission is blunt, and I mean that as a compliment to the science: the painter paints what the photo shows. Hand a studio a selfie and you have commissioned a permanent, hand-made, oil-on-canvas record of a 30% wider nose. This is the one defect that a higher-resolution file, a better artist, and an unlimited revision policy all fail to fix, because it isn't an error — it's an accurate rendering of a distorted reference.

4.2 Focal length, in plain terms

Professional portraits are shot between 85 mm and 135 mm (full-frame equivalent) because that range renders facial proportion close to how the eye perceives it at conversational distance. Wide lenses of 24–35 mm exaggerate whatever is nearest the camera — which, in a face-on portrait, is the nose. Your phone's main camera is roughly a 24–28 mm equivalent; the "2×" or "3×" telephoto is roughly 48–77 mm and is the better choice for a face.

Practical translation: step back and use the telephoto lens, or step back and crop. Do not step closer. Cropping a wide-angle shot doesn't fix perspective — the proportions were recorded at the shutter, and a crop only changes the framing of an already-distorted face, not the distortion itself.

4.3 Eye level, and why pets are a special case

Shooting down at a subject from adult standing height enlarges the forehead and shrinks the jaw. For adults this reads as "slightly off." For children and pets, whose heads you're typically 3–5 ft above, it's catastrophic: you get a skull and a nose, and the eyes — the entire likeness — disappear into the top of the frame like they're being swallowed.

The fix is free and physical: get your camera down to the subject's eye level. Kneel for a child. Lie on the floor for a dog or cat. Every pet-photography guide worth reading opens with this, and it matters more for a painting than for a snapshot, because the painting is permanent — the mistake gets framed.

Two more pet-specific rules:

• No flash. It startles the animal, and it produces retinal reflection — green/blue eyeshine in dogs and cats rather than human red-eye. A painter faced with reflective discs for eyes has to invent the iris from nothing.
• Sharp eyes above all. Fur texture will be interpreted anyway (see §9); the eyes will not be forgiven.

5. Group photos and composites: the real limits

5.1 How many faces is too many

There's no hard cap — the Mus3ums.com commission form prices explicitly up to "10 faces and more" — but there are two real constraints, and only one of them is money.

The money constraint is the faces surcharge (§6.2), and it's modest: $25 per additional face in practice.

The physical constraint is check 1 again, showing up in a different costume. Faces have to fit in the frame and in the canvas. On a 16 × 20 in (40.6 × 50.8 cm) canvas, ten heads are each about 2 in (5.1 cm) tall — at which point they're painted as generic heads regardless of your reference, no matter how good it was. Rule of thumb from the price ladder and the geometry together:

If your budget forces a smaller canvas than that row suggests, the better trade is fewer people, painted properly than everybody, painted approximately. Everybody blurry is worse than half of everybody sharp.

5.2 Combining several photos into one painting

This is a standard, well-established service — sometimes marketed as a "compilation portrait" — and it's one of the genuine advantages a hand-painted commission holds over any print, print of prints, whatever you want to call it: a grandparent who missed the wedding can be added to the group, and there's no seam because nothing was ever composited. The painter simply paints them in, like they were always standing there.

The Mus3ums.com commission forms accept up to 10 reference files, 50 MB each, precisely so you can do this.

What makes a composite succeed or fail:

Write the mapping down. The single highest-leverage thing you can put in the notes field is a per-photo instruction: which file governs composition, which governs each face, and what to leave out (a harness, a lanyard, background clutter, an ex-partner's arm). Studios routinely edit these out on request; they cannot know to unless you say so.

5.3 Old, faded and damaged photographs

Frequently the only photo that exists of someone who has died. It's also the case where a painting beats a print by the widest margin there is, because a painter can reconstruct what a scanner can only record as damage — a scanner just documents the wound, a painter can close it.

Two practical notes: rescan, don't re-photograph if the original print still exists — a flatbed at 600 dpi from a 4 × 6 in (10.2 × 15.2 cm) print yields 2,400 × 3,600 px, which clears every minimum in §2.1. And if you've already run the scan through an AI restoration tool, send both versions and say which is which. The tool's guess is a legitimate input; it should not be mistaken for evidence.

6. Price, size, figures and lead time (the citable asset)

Real per-size prices — not "from" prices — that scale with the canvas's surface area. Excludes frame, options and shipping.

6.1 The size ladder, three sites

Common metric sizes, Mus3ums: 30 × 40 cm $187 · 40 × 50 cm $212 · 50 × 60 cm $242 · 60 × 80 cm $297 · 80 × 100 cm $394 · 100 × 150 cm $604.

Because the area term carries an exponent of 0.99, the price per cm² falls as the canvas grows — a 48 × 72 in (121.9 × 182.9 cm) is 18× the area of a 12 × 16 in (30.5 × 40.6 cm) but only 4.4× the price. If you're choosing between two sizes, the larger one is always the better value per square inch, and (per §5.1) the better choice for a group.

6.2 Number of figures

Faces are the expensive part of a portrait — they're where copy work actually gets hard, where a painter earns the fee — so they're priced separately from area:

The unit behind those brackets is $25 per additional face. Pets count as faces — a dog's head is the same problem as a person's, and the same line item.

6.3 Options, each priced separately

On varnish: oil is touch-dry in 24–72 hours but cures for 6 months to 2 years, and final varnish before cure traps solvent in the lower layers, sealing a wound before it's healed. A studio that ships unvarnished or lightly retouch-varnished and tells you so is doing it right. Varnishing later is a 20-minute job for you or a framer.

6.4 Three fully-worked examples

6.5 Lead time, and the date that matters

That second row is the one to hold a vendor to — it's the one with teeth. On Mus3ums.com the studio's deadline to send photographs of the work — in progress or complete — is 20 open business days from order confirmation, roughly four calendar weeks, with a documented extension where the painting is genuinely complex (a large group, a heavy composite, an heirloom needing reconstruction). It's a configured, enforced date, not a courtesy. It's also your leverage: the moment to raise a likeness problem is when you see the photo, not when the crate arrives on your porch and it's too late.

If it's a gift, work backwards: standard order → 5 weeks + shipping. For a December date, order by the first week of November. For a wedding anniversary, six weeks out. Don't be the person emailing in a panic on the 20th.

6.6 If your photo won't support the painting you want

Prints scale differently, so a weak photo has a cheaper home to go to. Same Mus3ums size ladder:

Note the trap this table sets, and then quietly defuses: a print of a poor photo is worse than a painting of a poor photo, because the print reproduces every flaw at full size while the painter at least interprets them, softens them, makes a decision about them. If your only reference is a 1,000 px scan, the right answer is usually a small painting, not a large print.

7. What happens after you upload

The mechanics, on Mus3ums.com, laid bare so you can compare them against any vendor:

1. Upload up to 10 files, 50 MB each, in .jpg .jpeg .jfif .png .webp .avif or a document format (.pdf .doc .docx .odt). HEIC is not accepted — see check 10.
2. Declare the face count. Required for hand-painted work, ignored for prints, because it drives both price and composition.
3. Size and frame. Enter dimensions in cm or inches; choose rolled, stretched, or framed.
4. Options and notes. This is where the per-photo mapping from §5.2 goes, along with eye/hair colour for a black-and-white source and anything you want removed.
5. Share or save the configuration. A configuration can be emailed as a link that re-fills the form — genuinely useful when a couple or a family is deciding together, or when a designer is quoting a client. The uploaded reference images stay retrievable behind that link.
6. Studio photographs the work and sends it to you within the 20-business-day window.
7. Revisions, then shipping.

Two questions worth asking any vendor at step 6, whichever one you use: will you send me a photograph of my specific canvas before it ships, and what is the deadline for that. A vendor with a real answer to the second question is a different proposition entirely from one with a policy page and a shrug.

8. Benchmarked against the market

Comparable configurations, drawn from published prices and hands-on reviews. Where a source quotes a bundle, the bundle is shown.

Three things this table shows that no single vendor's page does, because no single vendor wants you seeing the whole board:

1. The size-and-faces structure is where vendors differ, not the headline price. Mus3ums at 20 × 24 in (50.8 × 61 cm) ($245) versus PaintYourLife at the same size ($389 + $79 frame) is a $302 gap on a comparable object — but PaintYourLife's price includes multi-subject complexity in the bracket, while Mus3ums itemises it at $25/face. Compare configured totals, never "starting at" numbers, which are basically bait.
2. Everyone in this category promises unlimited revisions, and that promise is worth less than it sounds — revisions fix interpretation (too dark, wrong background, remove the harness). They cannot fix a 150 px face or a selfie's proportions. Which is why §2 is the part of this page that actually saves you money.
3. Fast is available and cheap. The market's express options cluster at 15 days to 3 weeks for $30 to +15%. If a vendor quotes 8–10 weeks with no expedite path, that's a sourcing choice on their end, not a physical constraint of oil painting.

9. What a photo-to-painting commission does not buy you

Stated plainly, because a guide that only lists upsides isn't worth citing, and probably isn't being honest with you.

• It will not rescue a bad photo, and no upgrade in the options list changes that. An elite artist paints a 150 px face more beautifully. It is still not your grandmother's face. The unrecoverable failures are resolution and geometry (§1) — spend your effort there, not on the upsell.
• AI enhancement is not a fix; it is an additional author. Every upscaler hallucinates detail where the input had none — invented pores, reconstructed irises, confident wrong text. Faces are precisely where human perception detects it, and a painter working from an enhanced file paints the machine's guesses in permanent oil, forever, on your wall.
• Fine texture gets simplified. Fur, individual hair strands, lace, embroidery and fine jewellery are interpreted, not transcribed. A reviewer of one major service found fur detail came back slightly "airbrushed" — that's the medium, not a defect. If a specific texture is the point of the picture, say so in the notes and expect to use a revision round on it.
• Colour will not match your screen. Your phone display is bright, saturated and probably in a warm-tinted night mode. Paint is a physical surface under your room's light. A good studio matches the reference sensibly; nobody matches a screen, because a screen is lying to you a little.
• Likeness varies more than printing does. A press is repeatable; a person is not. Mitigation is procedural, not hopeful: send more than one photo of each face, name which photo governs which face, and hold the vendor to a pre-shipping photograph of your canvas.
• A photo you did not take may not be yours to use. The photographer owns copyright in a photograph from the moment of capture, and a painting made from it is a derivative work. Wedding, school, studio and professional pet photographs are the common cases — the framing, posing and lighting are exactly the original expression copyright protects. In practice: use your own snapshots, or get the photographer's written permission (many grant it readily for a private, non-commercial commission). This is the single most-ignored item in the category, and it's the one with legal consequences rather than aesthetic ones.
• It is not an investment. A commissioned portrait of your family has no secondary market. It's worth what it costs to have another one painted. Buy it because you want to live with it, not because you think it'll appreciate.

10. Fixing a bad photo: the decision tree

Run this before you upload. Each branch ends in an action, not a caveat.

1. Is the face under 200 px tall in the original file?
   → Look for the original (not the chat-app copy, not a screenshot). Still under 200 px? → Choose a different photo, or a smaller canvas, or send two photos of the same person so the painter can triangulate the features.
2. Was it taken at arm's length?
   → Reshoot from 5–8 ft using the telephoto lens if the subject is available. Not available? → Find any photo taken by someone else at a normal distance, even an older or lower-resolution one, and send both: the distant one for proportion, the close one for detail. Say which is which.
3. Is it flash-lit or backlit?
   → Reshoot near a window, subject 3–6 ft away, light slightly to one side, flash off. Not available? → Send it, and add the one instruction that helps: "the flash flattened her face — please model the cheekbones normally."
4. Was it shot from above (a child, a pet)?
   → Reshoot at eye level. Kneel. Lie down. This costs nothing and is the largest single improvement available to you.
5. Did you run it through an enhancer or filter?
   → Send the original as well and label both.
6. Is it an iPhone HEIC?
   → Share it to Mail or Files (auto-converts to JPEG), or Settings → Camera → Formats → Most Compatible and reshoot.
7. Is it a print with no digital original?
   → Scan it at 600 dpi if you can (a 4 × 6 in (10.2 × 15.2 cm) print → 2,400 × 3,600 px). No scanner? Photograph it flat in window light, no flash, camera parallel to the print.
8. Everything passes?
   → Upload the largest file you have, name the faces, and write down what to leave out.

11. FAQ

What kind of photo do I need for a custom oil painting?

One where the face measures at least 500 pixels tall in the original file (1,000–1,500 px is comfortable), lit by soft directional daylight rather than flash, shot from at least 4–5 feet away rather than arm's length, with the eyes in sharp focus. A standard 12 MP phone photo meets all of this easily — provided you send the original file and not a chat-app copy.

How much does it cost to turn a photo into an oil painting?

On Mus3ums, $188 for 12 × 16 in (30.5 × 40.6 cm) up to $822 for 48 × 72 in (121.9 × 182.9 cm), hand-painted in oil. 1–3 faces are included; 4–6 faces add $75, 7–9 add $150, 10+ add $300. Options are itemised: elite artist +$100, customisation +$50, urgent production +$30, varnish +$15. Market-wide, comparable commissions run $89–$729 at the volume services and $300–$2,000+ from a local gallery artist.

How long does it take?

4–5 weeks standard, under 3 weeks for +$30, and the studio's deadline to send you photographs of your painting is 20 open business days from order confirmation — about four calendar weeks, extended where the painting is genuinely complex. Across the market, express options cluster at 15 days to 3 weeks; oils generally run 3–5 weeks.

Can you paint from a blurry or low-resolution photo?

Yes, but the result is a generalised likeness rather than a portrait. Below roughly 200 px of face height the artist is inventing features. Two mitigations actually work: send several photos of the same person so features can be cross-read, and choose a smaller canvas — the same reference that fails at 30 × 40 in (76.2 × 101.6 cm) can succeed at 12 × 16 in (30.5 × 40.6 cm).

Is a phone photo good enough?

Almost always, yes. A 12 MP phone file (4,032 × 3,024) is about twice what a hand-painted commission of any catalogue size needs. Two conditions: send the original file — WhatsApp's "photo" mode leaves you 16% of the pixels — and shoot with the telephoto lens from a few feet back rather than the wide lens up close.

Why does my selfie make a bad painting even though it's sharp?

Because sharpness and proportion are different problems. At 12 inches, the nasal base photographs about 30% wider and the nasal tip 7% wider than at 5 feet (JAMA Facial Plastic Surgery, 2018). The painter reproduces that faithfully. Perspective is fixed at the shutter; no resolution, artist tier, or revision round undoes it. Step back and zoom in.

Can you combine two or more photos into one painting?

Yes — it is one of the real advantages of a hand-painted commission, and there is no visible seam because nothing is composited. The Mus3ums.com forms accept up to 10 reference files for exactly this. Success depends on the sources sharing lighting direction, colour temperature and camera height, and on your writing down which photo governs which face.

How many people can be in one painting?

There is no cap — pricing runs to "10 faces and more" — but the canvas sets the real limit. Budget roughly 12 × 16 in (30.5 × 40.6 cm) for 1–2 faces, 16 × 20 in (40.6 × 50.8 cm) for 3–4, 20 × 24 in (50.8 × 61 cm) for 5–6, 24 × 36 in (61 × 91.4 cm) for 7–9, and 30 × 40 in (76.2 × 101.6 cm) upward for 10+. Fewer faces painted properly beats everybody painted approximately.

Do pets count as faces?

Yes, at the same $25 per additional face. And they need the same photo discipline plus two extras: get the camera down to the animal's eye level, and never use flash — it causes retinal eyeshine that leaves the painter with reflective discs instead of irises.

Can you work from an old, faded or damaged photograph?

Yes, and it is where a painting beats a print by the widest margin. Fading, colour casts, scratches and creases are routinely reconstructed. Two things you must supply: eye and hair colour in writing if the original is black-and-white or sepia, and a second photo of the same person at any age if a feature is physically missing. Rescan rather than re-photograph if the print still exists — 600 dpi from a 4 × 6 in (10.2 × 15.2 cm) print gives 2,400 × 3,600 px.

Should I run my photo through an AI enhancer or upscaler first?

No — or at least, send the un-enhanced original alongside it. Upscalers invent detail that was never in the file: pores, iris texture, lash lines. Faces are where that invention is most visible and most wrong, and the painter will render the machine's guess as though it were evidence.

My iPhone photo won't upload. Why?

It is almost certainly HEIC, the iPhone default. Accepted formats are .jpg .jpeg .jfif .png .webp .avif plus document formats — HEIC is not among them. Fix it by sharing the photo to Mail or Files (iOS converts to JPEG automatically), or by setting Settings → Camera → Formats → Most Compatible.

Why does my photo look worse when I send it over WhatsApp?

Because WhatsApp resizes the long edge to about 1,600 px and re-encodes at roughly 60–75% JPEG quality. A 4,032 × 3,024 original arrives as ~1,600 × 1,200 — 16% of the pixels. Use the Document attachment option, AirDrop, a Drive/Dropbox link, or email at Actual Size.

Can I use my wedding photographer's photo for a painting?

Legally, not without permission. The photographer owns copyright from the moment of capture, and a painting made from their photo is a derivative work — the posing, framing and lighting are the protected expression. Many photographers grant permission readily for a private commission; ask in writing. School, studio and professional pet portraits are the same situation.

Is a hand-painted painting from my photo better than a canvas print of it?

Different purchases. A print reproduces your photo exactly — including every flaw, at full size. A painting interprets it, which is why a painting is the better answer for a weak photo and a print is the honest answer for a strong one you simply want enlarged. At 24 × 36 in (61 × 91.4 cm), expect about $320 hand-painted versus $79 printed.

What is the one thing that most improves the final painting?

Sending the original, uncompressed file and writing a two-line note that maps photos to faces and lists what to remove. It costs nothing, and it removes the two failure modes — lost pixels and guessed intent — that revisions cannot fully repair.

Related on Mus3ums.com

• A whole guide built around the one variable that actually decides likeness — From Photo to Fine Art: The Definitive Guide to Commissioning Your First Bespoke Oil Masterpiece.
• Pets are faces too, and they come with their own failure modes — F.A.Q.: Pet Portraits — A Guide for Elite Collectors.
• Why a commissioned portrait outlives the photo it was painted from — The Enduring Canvas: Commissioned Art as a Conduit of Family History.
• Varnish is an option, not an inclusion — read what you're actually saying yes to — Enhancing Oil Painting Reproduction: The Impact of Gloss Varnish.
• If your photo can't support a painting, here's what it can support instead — Giclée Prints Explained: The Ultimate Guide to Museum-Quality Art Reproductions.
• What the finished canvas should be able to prove about itself — F.A.Q.: Certificates of Authenticity — Securing Value for Elite Collectors.

12. Sources

Reference-photo resolution and file requirements

• DPI & Resolution Guide for Custom Oil Paintings — Art in Bulk Help Center
• File Format Requirements for Photo Uploads — Art in Bulk
• Can Any Photo Be Turned Into a Custom Portrait? Tips and Guides — Welham & Co
• Checklist for Ordering Custom Portraits — The Family Portrait Company
• Photos to Painted Portraits: What Photos to Use? — Rockwell Portraits

Camera distance, focal length and facial distortion

• Nasal Distortion in Short-Distance Photographs: The Selfie Effect — PubMed (JAMA Facial Plast Surg, 2018)
• Perceived Facial Distortions in Selfies — Fried & Paskhover (PDF)
• Distortive effects of short distance photographs on nasal appearance — ScienceDaily
• Selfies Distort Your Face by 30% — And Here's the Math — Live Science
• 50mm vs 85mm vs 135mm Portrait Lens Comparison — Fstoppers
• How Focal Length Transforms Face Photos — Out of Focus
• Why Facial Proportions Look Different on Camera — ProMediaGear

Compression: what messaging apps and social platforms do to your file

• WhatsApp Image Sizes: 1600px, 1080×1920 and the 16MB Limit — Imagic
• Why WhatsApp Reduces Image Quality: How to Send Original Photos — Reformatly
• Instagram Preps To Save Your Photos In 1080×1080 Resolution — TechCrunch
• Dimensions and Quality For Social Media Photo Sharing — Photo Taco
• How to Avoid Instagram Compression — Instasize

File formats

• iPhone Camera Formats Guide for HEIF, JPEG and Pro Options — AppleMagazine
• HEIC vs JPG: iPhone Photo Format Compared — XConvert

Lighting, focus and pet references

• Pet Photography tips — Canon Europe
• Pet Portraits — Pet Photography Tips — Petplan
• Pet Photography Tips & Tricks — ASPCA Pet Health Insurance
• Photography Tips for Pencil Pet Portraits — Melanie Phillips

AI enhancement and its limits

• AI Image Upscalers in 2026: How Super Resolution Actually Works (and Where It Still Falls Short) — Technology.org
• Best AI Image Upscaler 2026: Tools That Actually Add Detail — Imagera

Old and damaged photographs

• Photo Restoration And Enhancement Explained — EverPresent
• Restoring faded photographs — 2graphic Photo Restoration
• Inpainting — Wikipedia

Copyright in the source photograph

• Copyright Law: Understanding Your Rights as a Photographer — Professional Photographers of America
• Who Owns the Copyright of a Photograph? — Dan Kosmayer
• Copyright Issues for Artists — Bellevue Fine Art Reproduction
• Can I paint a picture based upon someone else's photo without permission? — Avvo Legal Answers

Competitor pricing, turnaround and process

• Hand Painted Portrait Prices — PaintYourLife
• Is it worth spending hundreds on a custom pet portrait from Paint Your Life? — Reviewed
• Paint Your Life — CNN Underscored
• Custom Oil Painting from Photo — Instapainting
• Instapainting pricing
• Instapainting Custom Oil Painting Review 2026 — Dogster
• How Much Does a Custom Portrait Painting Cost in 2026? — PortraitVilla
• Custom Portrait Painting Cost: 2026 Pricing Guide — Acousart
• Oil Painting From Photo — Etsy marketplace listings

Oil paint curing and varnish timing

• The Six-Month Rule: When Is It Safe to Varnish Oil Paintings? — MontCarta
• How Long Does Oil Paint Take to Dry? — Fine Art Tutorials