This command can be performd in Mac OS X Snow Leopard (10.6) and Lion (10.7) to get folders in Quick Look preview to show up with transparent covers. This option gives you an “x-ray” style view of the icons inside a folder.
Mr.R
Disable Apple TV support in iTunes
Disable support for Apple TV within iTunes 7.1 or above. After applying this command the option ‘Apple TV’ will disappear in the navigation bar and the Advanced menu options.