global gsettings / desktop admin?

openSUSE 12.1 GNOME 3.2.1 x86_64

I'm looking for how to set a user's settings as the administrator?  Or
set a global default/settings.    I keep finding web sites and BLOB
posts that seem to imply this is possible with gsettings / dconf.... but
I can't find a single example of the syntax.

Tips / Pointers?

I need to set a few settings for all the desktop users of a system.