Well, not really an easter egg, but it is fun to find.
Carl was taking pictures to use in the first show and the intro. He started messing around with his guitar and took a photo and sent it to me to clean it up. I was waiting for 7GB worth of video to be rendered (which obviously takes a LONG time) so I had time on my hands. Carl came back and asked if I was able to clean it up. Here is what he got:
