The Hipstamatic iPhone app "brings back the look, feel, unpredictable beauty, and fun of plastic toy cameras from the past". By swiping your finger, you can change the lens, flash, or film settings. We had planned on doing a fun post on it for you, but Photojojo beat us to the punch. There's 336 different combinations, and they went through every one.
Check out their Ultimate Hipstamatic Guide, and to learn more and download, visit the official Hipstamatic website.