Press space bar to change pictures, and if you want to restart then you have to press green flag OR press spacebar a lot. Once you see that the How To Draw Pusheen backdrop has the finished Pusheen on it, then it'll work.
Thanks to a wikihow article that gave me all the instructions to MOUSE-DRAW all the Pusheen steps. @http://www.wikihow.com/Draw-Pusheen-the-Cat
