If you have not heard about Beryl or Compiz, they are Desktop "Enhancers" (That's what I call them) for Linux that make it very beautiful. HOWEVER: THESE PROGRAMS ARE BETA! They will make or break your machine. You can install them at your own risk, but they can be buggy, crashy, hang your machine, or even prevent the GUI (Graphical User Interface) from booting. A lot of things can go wrong. If you do install it successfully without any quirks, congrats. You have been warned.