Here's the link to sign up. You have till Friday June 17th to sign up. I put a $15 limit on it, but you're free to spend more if you wish. Gifts must be in the mail on or before July 8th.
If you don't have an elfster account - please make sure to include your bump screen name so we know who you are!
Lets try this link:
http://www.elfster.com/exchange/view/5125379/842f24/