Re: BP-FBConnect Plugin
I had the same problem but with Safari (mac), I don’t know if Andy noticed my posts about it.
As posted above, I eventually figured out that, although I was logged out, with the username field, password field and submit button all appearing to confirm that I was logged out, the facebook button was not appearing because it thought I was still logged in, probably because of a cookie setting still lingering from when I was logged in.
Simply try another browser to see what first-time visitors to your site will see.