If you fallow the instructions at Repository of Shame you can have Compiz-Fusion power your Gnome or XFCE desktop for Debian Lenny. Once the repository is added just:
sudo apt-get install compiz compiz-fusion-extras compiz-fusion-gnome compiz-fusion-plugins-unstable compiz-fusion-unsuport fusion-icon
You can activate the fusion-icon for compiz to take effect. To do this at system start up in XFCE use Session and Startup from Settings in the menu and fusion-icon to your start up programs.
In the Settings menu use the CompizConfig setting manager to tweak your desktop with special effects.





[...] to Setting Manager and found the widget layer (be sure to have compiz-fusion-extras installed via these instructions). I clicked on the behavior tag and copied the text specified from the forum and tutorial into the [...]