Howtoforge posted a tutorial about enabling Compiz Fusion on a Linux Mint 11 desktop
This tutorial shows how you can enable Compiz Fusion on a Linux Mint 11 desktop (the system must have a 3D-capable graphics card - I'm using an NVIDIA GeForce 8200 here). With Compiz Fusion you can use beautiful 3D effects like wobbly windows or a desktop cube on your desktop.Enabling Compiz Fusion On Linux Mint 11
This document comes without warranty of any kind! I do not issue any guarantee that this will work for you!