Yep. Its got to be replaced with another image. Youll have to flash an .apk file....forget if its in SystemUI.apk or framework-res.apk
But the image is status_bar_background.png.
Have you ever been to droid pirate.com? They have a droid pirate manager app too, its a paid app but well worth it. They have everything from notification pulldowns, lock patterns, battery icons, everything. download and flash with metamorph.
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