Did you know you can fix typos in the description you wrote for your work?
You uploaded a wallpaper,but you made an improvement to it and now you would like the latest version to show without resubmitting.
YOU CAN DO IT. Use the Upload Manager which can be found in the upper right hand margin under Artwork Manager. Just click on you title,the Manager will bring up a thumb, the description and will allow you to change the file and screenshot.