The liquid rescale plugin might take some experimentation to get used to. It's fun and if used the right way can be quite useful. I might revisit this segment in reguards to using the plugin to automatically remove objects from a scene.
http://liquidrescale.wikidot.com/
sudo apt-get install gimp-plugin-registry
yum install gimp-lqr-plugin
http://www.arthursucks.com/
/ arthursucks
Just for fun a 720p torrent of this episode.
http://bit.ly/B15pO
If you like this option let me know.