On the new project I'm building we're using affinity rockettheme template, that has a nifty lightbox logins position, and obviously we would loke to use that one.
Unfortunatelly, the jfblogin pops up well, but the fbconnect button does not work then...
What happens when it doesn't appear? JFBConnect and FB in general is very Javascript dependent, so the lightbox (which is heavy javascript as well) may be problematic.
Have you tried in Firefox with the Web Developer tools enabled to see if there are any javascript errors occuring when the lightbox appears? If you get one, let us know. If not.. let us know your address and we can try to look further, but I'm not super optimistic.
I can't test it right now except that on the testserver where I sued before to moving live. We've decided to use joomsuite finally so, no point installing it there right now