We have a thread in the BP Social Society dedicated to Fitness/Healthy Living Support/Weightloss and anyone is welcome to join that. Here's the link to the thread:
http://forums.psychcentral.com/showthread.php?t=157415
And here's the link to join the BP Social Society for those who are interested (you don't have to be BP!! I'm not! Anyone can join! And it's a really fun, friendly bunch of folks!

)
http://forums.psychcentral.com/group.php?groupid=131
The link to the actual BP Social Society Forum is here:
http://forums.psychcentral.com/forumdisplay.php?f=126