On Thu, Dec 16, 2010 at 2:24 PM wrote:

GNOME-Shell will be included on F15. I think the issue of GNOME or UNITY
desktops for F15 is quite settled now. But GNOME team is insisting on a
Particular Desktop background by default for GNOME 3.

They aren't. There was a request from folks working with upstream GNOME on whether the Fedora desktop/gnome team would consider using the upstream GNOME 3 default wallpaper. Whether the team in Fedora will use that is upto them. What other desktop environments will use is upto them as well.

Rahul