[compiz] Skydome not working

[Ovid]

Hi all,

I've searched all over to the answer for this but no luck.  In short, skydome doesn't seem to be working, I only have a black background.  Skydome is pointing at the following:

  $ file plaza.png
  plaza.png: PNG image data, 2048 x 1024, 8-bit/color RGB, non-interlaced

In the "Gnome Compiz Preferences" app, on the "Workspaces" tab, under "Cube", I do have Skydome checked and the image is pointing to the above file.  I'm running Ubuntu and everything else seems to work fine.

The only thing I can think of which might be causing the problem is that I'm using dual monitors.  Can anyone give me any debugging pointers?

Cheers,
Ovid
 
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