Very quick, very easy.
*Start the game.
*Select Classic Jigsaw.
*Scroll to the right.
*Either choose Create puzzle from photos, or Create puzzle from camera.
*Select or make an image of your choice.
*Edit the photo you wish to make a puzzle from (you can ignore the warning that says you need a photo of 640x480 or higher), choose "Make puzzle".
*Go back in the menu of puzzles, you should see the puzzle of your choice with the custom puzzles. Mouse click right. You can edit the name of the puzzle, delete it or export the puzzle of your choice. Choose export.