Something fun—download Diva wallpaper for your monitor! Resolution choices: 1024x768 1280x1024 PCs: Click on the proper resolution, above. Right click on the resulting image and select 'Set as Wallpaper.' Macs: Click on the proper resolution, above. CTRL + click on the resulting image to save to your hard drive. Open your System Preferences and click on the desktop icon. Drag the image you want to place as your desktop into the 'Current Desktop Picture' thumbnail.