layne@layne-desktop:~$ dpkg -l | grep compiz
ii  compiz-core                                1:0.6.0+git20071008-0ubuntu1.1       OpenGL window and compositing manager
ii  compiz-fusion-plugins-extra                0.5.2+git20070928-0ubuntu1           Collection of extra plugins from OpenComposi
ii  compiz-fusion-plugins-main                 0.5.2+git20070928-0ubuntu2           Collection of plugins from OpenCompositing f
ii  compiz-plugins                             1:0.6.0+git20071008-0ubuntu1.1       OpenGL window and compositing manager - plug
ii  emerald                                    0.3~git20070717-0ubuntu1             Decorator for compiz-fusion
ii  libemeraldengine0                          0.3~git20070717-0ubuntu1             Decoration engines for compiz-fusion
layne@layne-desktop:~$