Hi,
I added another pattern to the catalog. It is a loading indicator:
http://commons.wikimedia.org/wiki/File:Loading_indicator_pattern.png
I tried to keep it simple and make it fit different background chromes.
To see it in motion you can go to
http://dl.dropbox.com/u/30377416/design/loading-indicator/loading.html
Feedback is welcome
Pau
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Pau Giner
Interaction Designer
Wikimedia Foundation