[ubuntu-uk] Compiz ?

[Ted]

I have two drives with Sidux on hda and Gutsy on hdb...I have compiz
running on Sidux but cannot get it running on Gutsy..I get the error
message.......
Enabling Xgl with nVidia drivers...
Starting emerald
/usr/bin/compiz.real (video) - Warn: No 8 bit GLX pixmap format, 
disabling YV12 image format

I have tried moving the xorg.conf from my Sidux installation but still 
get the error
message.... xserver-xgl is installed...Any help appreciated....

-- 
Regards
  Ted Wager G3TPI
   High Peak UK
   Using Ubuntu Gutsy Linux