iSwitcher has been revised to work with the new 1.1.1 firmware and it’s subsequent changes. Primarily there is no longer a DisplayOrder.plist file. So… what does iSwitcher do for you with 1.1.1? It will install and replace all icons and it will load in the associated Dock image. It still copies in the wallpaper and other “SummerBoard” related files (with the hope that SummerBoard will return); however in the current 1.1.1 firmware state, these are not displayed.

http://code.google.com/p/iswitcher/