Wallpapers are voted on by the moderators and then a Stardock employee will either post them to the public gallery, your Personal Page or exile them.
The following is an excerpt from the Upload Guidlines found HERE
Wallpaper Moderation
WinCustomize has a moderated wallpaper gallery. That means all submissions, with the exception of Journeyman and above, are placed in moderation and selected submissions will be made available in the public gallery. If a wallpaper is not accepted into the public gallery, it will be placed on your personal site on WinCustomize. Rejections will only occur if the piece violates any of the said rules such as ripping, copyrights, etc.
Our guidelines for judging wallpapers on aesthetic grounds are difficult to be specific about. The prime directive for wallpapers is that they must WORK as a wallpaper, in other words the design should be an effective desktop background, which includes: The background is not too busy and icons are easy to see against it, Colors are not too bright to be distracting, and colors work well together. There are many subjective design related preferences we all have and some objective qualifications as well, such as the quality of the rendering and the resolution size offered. And then there is the composition, the subject matter, the overall balance of the design, etc.
Probably the best way to decide what we like to see in a wallpaper would be to browse through the section and look at what has been accepted. We recommend to everyone submitting wallpapers to try to only send a piece after living with it on their own desktop for a while first. Put as much work and critical evaluation into the piece as you can before sending it to us.
A few examples of what will never get through moderation:
- Britney Spears or other celebrity wallpapers (see note about copyright above)
- Bryce art, unless the result is so astonishing that one could never tell it was done in Bryce.
- Dolphins, palm trees, metal spheres or other over-used elements
- XP-related walls, unless really innovative/original.
- Copyrighted photos/images
- Confused composition...e.g....3D artwork with conflicting light-sources belying the form.
- A ground-swell of negativity from a significant number of admins.
"Probably the best way to decide what we like to see in a wallpaper would be to browse through the section and look at what has been accepted."
keep in mind we do not moderate Journeyman or above and some of the walls posted after reaching that status would not likely have made it through moderation into the public gallery.