A sky airplane wallpaper is a wonderful way to brighten up your desktop. This picture is an amazing depiction of an aircraft circling the sky. It can be a beautiful landscape, or it can be a modern fighter jet. Either way, it is a unique piece of art that will enhance any room. Aside from being an interesting wallpaper, it can also be a great conversation starter. The best part is that you can download it for free and use it as your desktop background.