On Thu, Oct 21, 2010 at 20:48:13 -0700,
Adam Williamson <awilliam(a)redhat.com> wrote:
Perhaps the change to an xml file (or whatever) which defines what
wallpaper gets shown at what time of day is in another package and hence
still present, and so you'll see a blank blue background at some times
of the day (when the intended background file isn't present) and the
standard background at the times of day when that one is supposed to be
used?
That would be my guess as well.