LinuxBSDos.com posted a tutorial on Cairo-Dock
Ubuntu 10.10, the latest edition of the popular Linux distribution, which was just reviewed here, ships with the same blank desktop that has come to identify the Ubuntu desktop. But you do not have to live with it. You can spice it up with a very simple and elegant application. You can go from the default desktop shown below, to a more sexy desktop.Spice up Ubuntu 10.10 desktop with Cairo-Dock