Howtoforge published a guide about enabling Compiz Fusion on an Ubuntu 8.10 Desktop
This tutorial shows how you can enable Compiz Fusion on an Ubuntu 8.10 (Intrepid Ibex) desktop (the system must have a 3D-capable graphics card - I am using an NVIDIA GeForce FX 5200 here). With Compiz Fusion you can use beautiful 3D effects like wobbly windows or a desktop cube on your desktop.Enabling Compiz Fusion On An Ubuntu 8.10 Desktop (NVIDIA GeForce FX 5200)