FaceBrick was down for about a month earlier due to some unannounced changes to the Facebook API which caused FaceBrick, amongst other Facebook apps, to stop working.
The latest update to libqfacebook (0.1.3-2) contains a fix for this - in other words, FaceBrick is up and running again! Thanks to Ahmad Mushtaq for fixing this. :-)
If you're still experiencing problems with FaceBrick, feel free to stop by the FaceBrick thread for support :-)