Playing HD Screen Savers via Apple TV
First Sync your Apple TV to your computer. Apple support can help you with this if you have any problems.
To play your Screenplaces HD screensaver through your Apple TV simply click on your downloaded QuickTime file and it will automatically open in your Movies folder in iTunes. This will then show up in the Movies folder on your Apple TV.
Your chosen Screenplace has already been converted for your convenience into a MV4 format the Apple TV can play. If for some reason your HD screen saver does not open automatically drag and drop your downloaded QuickTime file into Movies, located in the Library section of iTunes.