Tutorials for Mac OS X-like wallpapers?

Hey, do any of you know of any good tutorials (for GIMP preferably) to make Mac OS X-like wallpapers like the following?

http://www.iphong.com/2009/06/mac-os...ard-wallpaper/
http://img511.imageshack.us/img511/2174/71203062fy9.jpg

Anyone?

http://sixrevisions.com/graphics-des...deo_tutorials/

the aqua wallpapers are just shapes and gradients.

Create a gradient..

create some circular shapes and add white-->0% opacity gradient

repeat remix with different colors
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Quote:

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Originally Posted by jerrrys

http://sixrevisions.com/graphics-des...deo_tutorials/

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I can't find what you are talking about on this website. :(

http://abduzeedo.com/leopards-aurora...wallpaper-gimp

Quote:

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Originally Posted by jasonrisenburg

http://abduzeedo.com/leopards-aurora...wallpaper-gimp

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^That is an awesome tutorial! I used it multiple times already! I love it! :)^

Any more suggestions?