Here's the one I made, I'm using 10.7.1 and wouldn't recommend using it on anything else, it might break your install, so use is at your own risk
First make a back up of the old one just incase it goes wrong:
cp /System/Library/PrivateFrameworks/CoreUI.framework/Versions/A/Resources/SArtFile.bin /
That will put a copy of the original in the root of your hard drive, then you need to unzip the file and use the terminal to copy it into the right directory:
sudo cp /Users/YOUR_USERNAME/Downloads/SArtFile.bin /System/Library/PrivateFrameworks/CoreUI.framework/Versions/A/Resources
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