Media

Select your favorite design and click on your screen resolution size beneath it.  The design will open in a new window.  Install as follows:

PC USERS:
Click on a link then right-click on the image and "Set As Background" or "Set As Wallpaper"

MAC OS X USERS:
1. Control-click and select "Save Image As..."
2. Save the image to your desktop
3. Go to Apple menu > System Preferences and select "Desktop & Screensaver"
4. In the menu at left, select "Choose Folder...", locate and select the image on your desktop