PhotoForge2 is a powerful photo editing tool for iOS. Along with all the editing essentials, PF2 is also packed with some crazy distortion or manipulation tools such as Twirl and Noise. With today’s new update, PhotoForge has added the abilitiy to ship your photos as postcards (using our Sincerely Ship library). PhotoForge2 is available on the iTunes store for just $.99.
For some of the more experimental stuff you can do with PF2, check out this recent tutorial on the Objective Scenes blog.