This tutorial explains how you can install the Moovida media center on an Ubuntu 9.04 desktop. Moovida is a media center “bringing the best of the internet to your TV screen. Automatically creating your own digital library you can browse from your sofa with a remote control. The elegant and easy to use interface automatically displays artwork and fan art throughtout and gives you access to movie synopsis and artist info.”

Check it here:-

http://www.howtoforge.com/installing-moovida-media-center-on-ubuntu-9.04