Saving images as Windows Wallpaper

Using Internet Explorer or Netscape in Windows, Select the full screen image you want.
Then clicking on the right mouse button produces a pop-up menu with items that are
shortcuts for several commands.
On Macintosh, holding down the mouse button produces the pop-up menu.
Lets you use a specified image as the screen background
image. Point the mouse cursor over any image, press the
right-mouse button, and select the menu item.