Photo Puzzles Large (upper left) 252-piece puzzles measure 13.5 inches by 10.5 inches. Best with photos of at least 2048x1536 pieces. Gloss finish. (Gorgeous photo courtesy iceninephotography.) Small (lower left) 30-piece puzzles measure 9.5 inches by 7.5 inches. Best with photos of at least 1500x1100 pixels. Gloss finish. Color reproduction is very good with puzzles, but not as good as photographic prints.