If you're looking for a way to bring R2-D2 or the Ninja Turtles to your wedding, then you're in luck. "How?" you ask. Why, with geeky and fun photo-booth props, of course. Here are some of our favorite options that you can download and print on the spot for convenience (and endless hours of picture-posing laughs). We have a feeling you'll want to keep these even after the celebration is over, especially once you find out there's a LOLcat in the mix.