This tutorial shows three compiz plugins:atlantis2, freewins, and screensaver.Which are not usually easily available from software repositories.

atlantis2(Cube Atlantis)

Adds a customizable aquarium inside the cube,this is my desktop:

fish

freewins(Freely Transformable Windows)

Lets you rotate and scale windows in 3D with fun inertial effects.

screensaver( Screen Saver)

can slowly rotate the cube or have your windows fly around the screen while you are away from the computer.

Install these three plugins

First,make sure you have CompizConfig Settings Manager installed.

Then install the required packages for compiling Compiz plugins:

sudo apt-get install compiz-bcop compiz-dev build-essential libtool libglu1-mesa-dev libxss-dev libcairo2-dev git-core

Now,create a folder to hold the plugin sources and download them:

mkdir ~/compizplugins
cd ~/compizplugins
git clone git://anongit.compiz-fusion.org/users/metastability/atlantis2
git clone git://anongit.compiz-fusion.org/users/warlock/freewins
git clone git://anongit.compiz-fusion.org/users/pafy/screensaver

Then,run following command to make install:

cd ~/compizplugins/atlantis2
make &make install
cd ~/compizplugins/freewins
make &make install
cd ~/compizplugins/screensaver
make &make install

Now,go to System->Preferences->CompizFusion Setting Manager,and enable the new plugins.