Yesterday, I wrote about Luminance, a streamlined-yet-versatile photo editor that I think iPad users in particular will like. Paint FX ($1.99) is a bit more complicated, but for the slightly steeper learning curve, you gain the ability to edit only select areas of a photo.
To get started, tap the load/share button in the upper-left corner to load a photo from your Camera Roll, Photo Stream, or iPhoto (if you have your iDevice set up to sync some portion of your iPhoto library). You can also grab a photo from Facebook. This button also lets you save photos to your Camera Roll or share them via Facebook, e-mail, or the Paint FX community page.… Read more