Enna is a lightweight XBMC concurrent, developped by the GeeXboX team as its distribution brand new user interface. Enna allows you to listen to your favorite music, watch your movies and TV shows, browse through your personnal photos and read comics and mangas from over the Internet.
Available as a standalone application for any modern GNU/Linux distribution, it has already been packaged for Ubuntu 9.10 users.
Open the terminal from Applications menu -> Accessories -> Terminal and run the following commands
For Ubuntu Karmic Users:
Edit /etc/apt/sources.list file
gksudo gedit /etc/apt/sources.list
Add the following lines
deb http://packages.geexbox.org/ karmic main
Update the source list
sudo apt-get update
Install Enna using the following command:
sudo apt-get install enna