htorres@HAL:~$ compiz --replace
Checking for Xgl: present. 
Checking for nVidia: not present. 
Checking for Xgl: present. 
Enabling Xgl with fglrx ATi drivers...
Starting gtk-window-decorator
/usr/bin/compiz.real (core) - Fatal: Support for non power of two textures missing
/usr/bin/compiz.real (core) - Error: Failed to manage screen: 0
/usr/bin/compiz.real (core) - Fatal: No manageable screens found on display :1.0