Tutorial - Cambiar iconos del sistema manualmente en Mac OS X

Aqui os dejo las rutas de los iconos que tenéis que sustituir:

Snow Leopard/Lion:
/System/Library/CoreServices/CoreTypes.bundle/Contents/Resources/FinderIcon.icns
/System/Library/CoreServices/Dock.app/Contents/Resources/finder.png
/System/Library/CoreServices/Dock.app/Contents/Resources/finder128.png
/System/Library/CoreServices/Finder.app/Contents/Resources/FinderIcon.icns

Mountain Lion:
/System/Library/CoreServices/CoreTypes.bundle/Contents/Resources/FinderIcon.icns
/System/Library/CoreServices/Dock.app/Contents/Resources/finder.png
/System/Library/CoreServices/Dock.app/Contents/Resources/finder@2x.png
/System/Library/CoreServices/Finder.app/Contents/Resources/FinderIcon.icns