Fantastic new app with great, easy to use functions:
http://itunes.apple.com/gb/app/photo-ace/id538821810?mt=8
•Pan
•Grey – to turn sections of your photo grey.
•Color – to color in sections of your photo.
•You can select brush size and smoothness.
•Undo any number of mistakes.
•Save sessions and return later.
•Crop, rotate and flip your photos.
•Select brush types.
•Choose from a selection of different tints.
•Touch up your photos for a professional look using the unique Airbrush function.
•Once you are happy with the result upload your photo to Facebook.