I can run compiz fine.!
poisonblack@poisonblack-PC:~$ ./compiz-check
Gathering information about your system...
Distribution: Ubuntu 7.10
Desktop environment: Xfce
Graphics chip: Intel Corporation 82845G/GL[Brookdale-G]/GE Chipset Integrated Graphics Device (rev 01)
Driver in use: intel
Rendering method: AIGLX
Checking if it's possible to run Compiz on your system...
Checking for texture_from_pixmap... [ OK ]
Checking for non power of two support... [ OK ]
Checking for composite extension... [ OK ]
Checking for FBConfig... [ OK ]
Checking for hardware/setup problems... [ OK ]
poisonblack@poisonblack-PC:~$