How about having little fun with the desktop screen? Desktop Monet is small application that allows to you make you desktop screen go crazy like hell. You can add different effect to the desktop screen with a click of a button.
Blow it, dust it, dissolve it, set it on fire and lot more. Just download and double click to start using this application (no install). Select the effect from the drop down box and hit the start button. Make sure you remember the shortcut key to stop the animated effect (Alt Ctrl T). Download Desktop Monet [weblink] and let the fun begin!