The newest MythTV install on Ubuntu 6.10 has issues when trying to fetch movie information with the included IMDB Script. The fix is pretty simple, Click more to view the steps.
First create a backup of the original script
sudo cp /usr/share/mythtv/mythvideo/scripts/imdb.pl /usr/share/mythtv/mythvideo/scripts/imdb.pl-orig
Download the SVN Copy
Rename the script
mv imdb.pl\?format\=raw imdb.pl
Replace the old script with the new one
sudo cp imdb.pl /usr/share/mythtv/mythvideo/scripts/imdb.pl
You should be all set after than.