For a nice desktop display (expecially if you like The Matrix), checkout:
http://sourceforge.net/projects/zmatrix
You can view 2 of my monitors on my system here:
http://www.cyberjunky.net/images/desktop2.jpg
http://www.cyberjunky.net/images/desktop3.jpg
These images are too big to display inside this frame, that is why you need to click to view them.