And for the record I dont have a clue if I have GD Or ImageMagik installed.
Jono
You'll need to check. Is this in a hosted environment? If you operate the server yourself, go to http://www.imagemagick.org and install the software.
I've installed ImageMagick and configured it to work with MediaWiki on Windows and it was pretty straightforward. I followed the instructions at http://meta.wikimedia.org/wiki/Help:Image_thumbnailing.
Good luck =)
-Justin
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