Splashup mimics Photoshop with amazing fidelity, including layer support; but it's less usable than the best online editors, and short on flashy effects.
FotoFlexer has a bevy of unique editing tools wrapped up in a better-than-average interface; full-resolution editing is optional and somewhat sluggish.
Unlock your iPhone, supercharge your camera, and take your TiVo shows on the road for free. These six hacks unleash the hidden power in your mobile gadgets.