How to set-up wallpaper  

PC
1. Click on the correct screen resolution size for your computer.
2. After the image loads in the new browser window, right-click on the image.
3. From the pop-up menu, select "Set as Wallpaper".

MAC
1. Choose the correct screen resolution size for your computer.
2. Click and hold on the image link, then save it to your hard drive.
3. In your Desktop Pictures control panel, click "Select Picture" (if you already have a picture set, click "Remove Picture" first, then "Select Picture") and choose the image.
4. Click "Set Desktop" and close the control panel.