@ Carl what do you do with your photos on the iPad? Are you just carrying around to show people? Just curious.
I love showing off the family and I take hundreds of pics with my smartphone weekly. I like using the following apps to manipulate my pics.
Photo Delight: Colorize your photos... by Global Delight
PhotoPad by Zagg
TouchRetouch HD by Adva-Soft
Color Splash for iPad by Pocket Pixels Inc.