Here's how you can find the secret, hidden high resolution wallpapers in OS X Mountain Lion. 1. Open the Finder. 2. Hit Command+Shift+G to open Go To Folder. 3. Enter this path: /System/Library/Frameworks/ScreenSaver.Framework/Versions/A/Resources/Default Collections/ 4. Copy the four folders below to your desktop, Pictures folder or wherever you want to keep them. National Geographic Aerial Cosmos Nature Patterns 5. Right-click your desktop, choose Change Desktop Background. 6. Choose the image you want in those folders to be your desktop wallpaper.
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