The Hipstamatic App turns your I-Phone into a vintage camera. The App lets you use different film, flashes, and lens to take some of the most awesome photos.My wife has been having so much fun with the App she started a blog to showcase her photos.
Here is some info and stuff on the App http://hipstamaticapp.com/
Look at these phots i took just messing around with the App the first day i downloaded it.
An amazing App.