It's easy to remove the brush metal texture. Just download Themepark and Duality. Themepark is buggy in panther, so beware. Unlike others, I never had a problem with Duality.
Anyway, some of you know I'm starting to get into GUI customization, so here is panther without the brush metal texture which I dislike for the finder as well. I think my theme works great with Apple's overall metal theme. Check it out with iSync and Calculator.
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Yes, I have the fishy screensaver running in the background. Most of the time it's only using less than 20% of the processor. More like dual processor.