I looked at your site, but honestly don't know what the issue is. Without knowing what it looked like before, it's tough to know what's wrong now.
Anyways, to start, I'd recommend looking at the following integration post:
http://www.sourcecoast.com/jfbconnect/d … -jomsocial
If that doesn't help, please let us know, specifically, what's wrong when you enable JFBConnect and we'll do what we can to help you further!