Default GDM theme not available

[Daniel Robitaille]

> New GDM default background is very nice! :-)
> But it's not available to choose in login manager configuration's themes
> list.
> 
> I can, better, show you a Screenshot:
> http://bergantells.net/~paco/tmp/gdm-config.png
> 
> If you need some extra info, ask for it, please.

Someone has already done a bug report on this:
https://bugzilla.ubuntu.com/show_bug.cgi?id=8197