Here is a forum to ask anything that has to do with the Linux os
http://ubuntuforums.org/ (http://ubuntuforums.org/)
Here is the place to get the needed codecs that do not come with the os
https://help.ubuntu.com/community/Medibuntu (https://help.ubuntu.com/community/Medibuntu)
And last.. this site gives you access to many open source alternatives to commercial products
http://www.osalt.com/ (http://www.osalt.com/)