We just finished our promo video for our robot. Here's the link, with some footage of us picking up the trackball, knocking it off the overpass (we figured out how to do it!), and launching it of course.
http://www.youtube.com/watch?v=nA_7waJdzIo
It's changed a little bit since before. We no longer need to be against a wall to pick up the ball. What do you guys think?