Pin-Up Edit is a powerful image editor available for iPhone, iPod and iPad.
You have a bank of images in high resolution (try the zoom ...), each image can be saved, edited and used as you want.
The editing capabilities are endless: change size, color, blur, filter, add stickers, effects, rotation, tone, adding text, cropping, etc ...
Very easy to used: choose an image from the proposed collections, save it and load ("New" button) in the editing program and save it again or send it to Facebook ...