This is a demonstration of the alpha version of CompComm (a temporary name) which is a result of the re-merge of Beryl and Compiz. These plug-ins and effects are bleeding edge and are not expected to work perfectly. However you CAN try them out. There are instructions for Ubuntu Feisty on forums.opencompositing.com Take [...]

If you haven’t been paying too much attention to all the Open Source excitement surrounding the more recent developments to the XGL the X server video architecture then your really missing out.
Here is a quick low down:
XGL is an X server (X Windows) architecture designed to take advantage of modern graphics cards via their OpenGL [...]