To start off this new series of daily apps, I thought I'd pick something close to home -- an app by TUAW's own Erica Sadun. The free, ad-supported app is called Sadun's Collage, and it produces fun photographic collages of pictures taken with the cameras in your iPad 2.
Sadun's Collage is very intuitive to use. When you launch the app for the first time, you see a corkboard with a live image frame on it, as well as a group of buttons that are at the top of the screen. The buttons fade out, but are summoned back with a tap on the corkboard. To take a photo with Sadun's Collage, you tap on the live image frame. Once the photo is "pinned" to your corkboard, you move