Low quality image sources, and poorly extracted scans will be rejected. Ghosting images and zoom layers in wallpapers are not accepted as they are uncreative ways to occupy space. Additionally, wallpapers that are submitted to the wrong category and use a fan art will also be rejected. Wallpapers that consist primarily of the original scan will also be rejected as a 'scan to wallpaper' because you are expected to create your background.
Submitting any wallpaper that you did not create will result in a rejection.