Screen Saver Instructions for Most Computers:
Download image to your computer. Move image to MY PICTURES folder. To use as your screen saver go to START / SETTING / CONTROL PANEL / DISPLAY. Click on SCREEN SAVER tab and select MY PICTURE SLIDESHOW.  Click on SETTINGS and use the BROWSE button to find the photo.

To use image as your desktop select the DESKTOP tab in your DISPLAY control panel.