im new here, and i installed my ati radeon 9550 using the official phoronix tuto; i passed lots of time before post reading, but i dont found a way to install beryl(or simpli atctive the "Desktop Effects"). so, wat how to, tutorial, i should use to active beryl?

(ah, i installed it(only essentials) and i get this running:

$ beryl
Xlib: extension "XVideo" missing on display ":0.0".
xvinfo: No X-Video Extension on :0.0
XGL Absent, checking for NVIDIA
Nvidia Absent, assuming AIGLX
beryl: No composite extension

before ask, im friend of google XD
and i spend lots of time trying to search anythink;

thx alot!!!