I experienced the same problem after upgrading gstreamer0.10-plugins-good and cheese. Somehow the videofilter plugin with the videobalance element is not included in the gstreamer registry cache.
Removing $HOME/.gstreamer-0.10/registry.x86_64.bin and running "gst-inspect-0.10" to rebuild the user cache resolved it for me. -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org