I remember seeing (via Google Alerts, I think) an app that lets you easily select an object so you can crop out the background. The example they showed was separating a dog (with fur sticking out) from the background. For the life of me, I can't seem to find that app again. Tried searching MacUpdate and VersionTracker but no luck. Maybe you guys know what I'm talking about. It's not a Photoshop plugin or anything.