Free Desktop Images
To the left are three images by John Dowler, suitable for setting as wallpaper on your computer desktop. Click on them to open them up for saving.
For Windows 95 or higher, after the image appears in your browser, click the right-hand button on your mouse. On the menu that pops up, select "set as wallpaper".
On the Macintosh, command-click to save the image, then set the desktop image by clicking on the apple menu, then use system preferences / desktop & screensaver.