Early in my testing I noted that the desktop background I wanted to display was not getting applied correctly via group policy. At first I thought the following Microsoft KB article would come to the rescue ….
http://support.microsoft.com/kb/977944
Unfortunately, however, this hotfix screwed up a bunch of other settings I had in the default user profile. So …
After uninstalling the hotfix, I migrated from bmp to jpg images smaller than 200 mb and stored them in the preferred windows wallpaper directory of:
C:\Windows\Web\Wallpaper
In this directory I actually created a sub-directory for all my Williams backgrounds. Now I point my group policy setting to one of these files as needed and all is fine …
I have also recently found this article about using “CopyProfile” and the desktop background …
I don’t actually use “CopyProfile” for reasons in:
http://sites.williams.edu/lj1/labs/windows-7-user-profile-copy/
but … perhaps the above links will help others …