The below image is for a screen set at 1024x768 pixels. If your computer is set at 800x600 click here. If your computer is set at 1152x864 click here. For PC right mouse click on the image when it appears completley below. A menu will pop up. Left mouse button click on the Set as wallpaper or background option. We are not sure about the procedure for Mac computers so save the picture below. When its in your computer it should not be hard to locate and set up as your desktop background image.