Pixlr-o-matic

From Autodesk:

Add retro effects to your photos in a snap! Turn your photos into cool looking vintage images editing is as easy as one, two, three. With this fun and simple darkroom app, you can layer filters, lighting and borders to get that retro grunge look in three simple steps. So many options to choose from, there are 25,000 possible finishes for any one image! Features: Color filters help you adjust the mood amplify the tone, cool it down, or add surreal shadesLighting effects add drama, sparkle or a grunge look Finish off your photo process with the right frame pick a border style that fits youNo camera required! Select a photo from your iPhone, iPad or iPod Touch and start applying effects. If your device has a camera, you can also snap a new picture from within the app Share your vintage image directly with your friends through Facebook, imm.io or emailExport your finished image to your photo library, dropbox, iTunes or Flickr

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