I just did an update on my Ubuntu Feisty box and I saw beryl in the universe repository.
The beryl-plugins package seems to be missing but I’m hoping this will change soon so I can apt-get install beryl

For the past week I’ve been playing Tremulous, an open source game that blends a team based FPS (First-person shooter) with elements of an RTS (Real-time strategy). Its based on the Quake3 engine and the graphics are superb!
Getting and installing Tremulous

Linux users can download this package and run sh tremulous-1.1.0-installer.x86.run to install.
Ubuntu users can install […]

First let me start by saying that overclocking is very risky, you can seriously damage your system, so please use this guide with care.
That said lets start!
Compiz, Beryl and some games work a bit slow on old video cards, so we overclock and improve their performance!
I have an ATI Radeon 9550 card made by Gigabyte […]