You may not have tasted on the latest Mac OS, OS X Mountain Lion yet but you can now download all the OS X Mountain Lion Wallpapers from devianArt to use it as your Mac wallpapers. Simply download the package and extract them in to /Library/Desktop Pictures. The wallpapers package included total 19 wallpapers sized 3200×2000 with Andromeda Galaxy as default wallpapers in OS X Mountain Lion. Download the package and get a fresh look for your Mac now!
Andromeda Galaxy [OS X Mountain Lion Default Wallpaper 3200×2000]
Download here from DevianArt [40.2MB 19 wallpapers]