There are a variety ways to set wallpaper backgrounds on your computer depending on your Internet browser. Here’s one: To download, click the image you’d like to set as your wallpaper. After the image opens, right-click on the image. Depending on your version of browser, the popup menu that appears will offer “Set Background” or “Set Wallpaper.” Click on this and you’re done!
Each image is ordered by size from left to right: 800×600, 1024×758, 1280×1024, 1680×1050. When you click the image, you can confirm the size in the image caption. Pick the image size that matches your display setting.