If you need help with the puzzles or just want to get to your platinum as quick as possible, take a photo with your smartphone before it's shuffled and visit this nice (but old) Puzzle Solver
A few other tips:
To quickly beat your best time multiple times, select "Easy".
To make solving medium and hard puzzles easier, just restart those puzzles until you get a photo with distinct tiles. Some of the photos have similar tiles and are a real pain in the a..