Downgrade from IOS 5.0.1. the easy way

How to downgrade for ios 5.0.1 to any other ios firmware Links: Tinyumbrella: http://www.4shared.com/file/OkxLsh5K/tinyumbrella-51003.html IReb: http://www.4shared.com/file/ZL74y8D2/iREB-r4.html IOS Firmwares: http://www.felixbruns.de/iPod/firmware/