Select a wallpaper size to download

800 x 600 - best for smaller monitors

1024 x 768 - best for larger monitors

Windows instructions:

1. Select a wallpaper size to download based on your monitor
2. After the image appears in your browser, right click on the image and select "Set as Wallpaper"

Macintosh instructions:

1. Select a wallpaper size to download based on your monitor
2. After the image appears in your browser, drag the image onto your desktop.
3. From the Apple Menu (at the top left of your screen) select CONTROL PANELS, then DESKTOP PICTURES or APPEARANCE. (If the new window reads APPEARANCE, select the tab that reads DESKTOP.)
4. If necessary, click REMOVE PICTURE to clear the current desktop picture.
5. Click SELECT PICTURE or PLACE PICTURE, then locate and click the image file.
6. Click OK or CHOOSE.
7. Finally, click SET DESKTOP.