Minimal Movie Posters, a blog where people submit there own minimalist version of a movie poster. Some are really clever. You could use them for a guessing game, the type you would see on Talkin' About Your Generation. I love the graphic feel of most of them. I am a fan of this minimal technique, silhouette style..
Also check out Disney Pixar Minimalist Posters
Or Pixar Minimalist Vintage Poster Set
Or my other post Minimal Portraits