Tiger Technologies
DeskFlag
FreeDeskFlag: Animated American Flag for Your Desktop
Windows
Holiday Lights
Trial versionFestive Screensaver for Holiday Cheer
MacMenuette
Trial versionEngaging Screensaver Application for Mac Users
MacWindow Monkey
Trial versionDynamic Screensaver for Mac Users
Mac
Holiday Lights
Trial versionDecorate your screen with holiday lights and sing along to the background music.
Windows