Wow. That was my first Sprint and I have to say it was a lot of fun :)
Jan (without whom I doubt the Sprint would ever have happened) has put up a summary of what the various sprinters did. There's photos of the pairs too. I'm the only one who decided to not look like he was working, but rather to grin and wave like a loon. The second photo from the bottom shows me actually deep in thought, proving that the first photo has not captured me in my natural state :)