Here's the image I chose to load up on my LCD:
For the etch-a-sketch, I chose to write a game. I wrote a basic version of space invaders, which includes one row of aliens gradually coming down at the player. The player has to use his cannon to get rid of the aliens. To fulfull the requirements of the assignment, I added a screenshot capability. I can then recall screenshots with a button press (even during gameplay!). http://www.youtube.com/watch?v=CnivdwfWqYo