my 3d cube is not running like it should be

[Phuket]

Binary package hint: gnome-panel

I installed compiz fusion and i have activated the cube option but my desktop is not a cube. it remained the same 2 desktop type like before compiz. I have increased the number of desktops up to 4 but it still does not work

ProblemType: Bug
Architecture: i386
Date: Sun Feb 3 12:18:22 2008
DistroRelease: Ubuntu 7.10
ExecutablePath: /usr/bin/gnome-panel
NonfreeKernelModules: nvidia
Package: gnome-panel 1:2.20.1-0ubuntu1
PackageArchitecture: i386
ProcCmdline: gnome-panel --sm-client-id default1
ProcCwd: /home/phuket
ProcEnviron:
 PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: gnome-panel
Uname: Linux phuket-desktop 2.6.22-14-generic #1 SMP Tue Dec 18 08:02:57 UTC 2007 i686 GNU/Linux

[Murat Gunes (mgunes)]

I'm converting this into a question, since it's a support request.