The below link has a really cool picture and a simple sign in for you to thank Senator Boxer. No registration required. Just arrow to the bottom of the comments and you can post your thanks.
I've already e-mailed her and Rep. Tubbs, but this is pretty neat too. I think it took a lot of guts for both ladies to stand up and do this and I won't soon forget it. Hopefully their courage will be contagious to others.
http://www.fotolog.net/grand_lake/?photo_id=8845010