INSTRUCTIONS:
PC:
    * Open the wallpaper image by clicking on the thumbnail
    * Once the wallpaper image has opened, right-click on the image with your mouse and choose "Set as Background"

MAC:

    * Open the wallpaper image by clicking on the thumbnail
    * Once the wallpaper image has opened, you can drag the image to your desktop
    * From the Apple menu, select "Control Panels" and then select "Appearance"
    * Click the Desktop tab and drag the wallpaper image onto the sample screen
    * Click "Set Desktop"