Christmas is a great time of year to customize your desktop, and there are just so many ways to do it. I created a desktop gadget with animated Christmas lights that will really decorate your desktop with some holiday cheer. This gadget was created with DesktopX, and will run on any Windows Vista or XP system. You can run multiple instances of the gadget, and string them together on your desktop any way you like.
Download: Christmas Lights
Here is a screenshot of how I am using them: