At the training we recommended the free Art App Doodle Buddy as being useful. The app however was not working well in iOS7. There has recently been an update available for this app (20th December 2013) that seems to have fixed all the previous bugs.
Very simple, easy to use art package.
Paint, Draw, Scribble, Sketch
Finger paint with thousands of colours and drop in playful stamps.
• Paint with multiple fingers
• Funny sounds paired with stamps
• Doodle and stamp all over your own pictures.
• Lots of drawing tools: paintbrush, glitter, chalk, text, stencils, smudge and more!
• 44,000-colour picker
• Share your doodles with your friends via email.
If you mess up, just undo your last stroke.
To start over, simply shake your iPad.
https://itunes.apple.com/gb/app/doodle-buddy-for-ipad-paint/id364201083?mt=10&pageMode=overlay
