Windows 95, 98, 2000, XP and NT
Choose the size of wallpaper you require. The options are small (640 x 480); medium (800 x 600) or large (1024 x 768 and 1600 x 1200). Click on one of the options and a bigger image will appear in a new browser window. Move your cursor (pointer) over the big image. Right click your mouse and a 'drop down' menu will appear. Go to 'set as wallpaper' or 'set as background'. Finally left click your mouse. Your new wallpaper will appear on your desktop.
To find out the best size for you, right mouse-click on your desktop, select 'properties,' a pop window will appear; select 'settings' and note the dimensions in the section called 'screen area.'
Mac 0S 8/8.5
Download the image by clicking and holding down the mouse. Click on the Apple icon in the top left-hand corner of the screen. Go to control panels, click on 'Appearance'. Six menu items are shown - choose 'Desktop'. Click on 'Place Picture' and choose the image that you downloaded from the web site. Click 'Set Desktop' button.