If a photo is too small or too low-resolution to print, a warning icon appears over the photo. We recommend swapping it out for a higher-res photo.
Check out this article for specific tips on print sizes.
Generally, the best images for square prints, books, and classic prints are 2-5mb each.
The best images for engineer prints, pano prints, fine art prints, and newsprints are 5-10mb each.
Feel free to contact us if you have questions about sizing. firstname.lastname@example.org