After browsing the ubuntuforums.org absolute beginners forums for a few minutes I noticed that alot of people still have trouble with the media on ubuntu. Vlc with it’s full potential, skype, google earth, k3b, amarok with mp3 support, dvd support, xmms with wma support, … are all in this repository, called the medibuntu repo.
In a terminal enter this:
sudo wget http://www.medibuntu.org/sources.list.d/gutsy.list -O /etc/apt/sources.list.d/medibuntu.list
and then enter this: