Constantly taking photos that are a little skewy without intending to, and then being forced to blame it on artistic license? We've got a nifty solution for you.
The camera cube snaps into your flash mount and contains a pair of spirit levels, which you can line up to make sure that you're on the same plane as the rest of the world. Of course, it's of most use when you're employing a tripod to keep things straight, or your shaky hands will neutralize any of the good it's doing.
It's available now for $15.