Looking at your site, I do see the open graph tags are being properly inserted in the page. However, when I run the
Facebook URL Debug Tool
, I'm not seeing the errors you mention. Instead, I'm seeing an error message "Could not retrieve data from URL.".
That issue is a bug with Joomla 3.2 on certain user sites that we haven't been able to narrow down yet. If you have the "Enable GZIP Compression" setting enabled in the Global Configuration area of Joomla, Facebook is unable to scan your site. That issue is completely unrelated to JFBConnect as they won't be able to scan your site even if JFBConnect is uninstalled/disabled.. so it's not a JFBC issue, but a Joomla 3.2 issue. We have it on our to-do list to investigate further, but it's not happening on all sites, and we haven't fully determined the cause yet.
I'd recommend disabling GZip compression and running your page through their Debugger again and see if it properly scans your page. If so, leave GZip off, for now.
I hope that helps get you going, but if not, let us know. If there are other issues you're having with JFBConnect after the upgrade, let us know, and we'll help work through those as well.
Thanks,
Alex