How to Jailbreak iPod Touch 2g on 2.2.1 firmware: 1.)Download the following file(s): Windows Redsn0w: http://www.sendspace.com/file/xyl8is Mac Redsn0w: http://www.sendspace.com/file/fhh666 2.)Extract the file. 3.)Open up the helper (the one with the command prompt icon) 4.)Follow the instructions on the command prompt to correctly put your device into DFU mode. 5.)Let the helper do it's thing. (May take up to 8 minutes) 6.)Your device will restart and you will have Cydia! Hope this helped you all!Please Register or Log in to view images P.S.-If you wanted Installer.app v.4 go into Cydia and type in the SOSIPHONE repo in "Sources" then search for installer and click the one that just says Installer 4! The other one is the French version. Though, the English version has some French in it too.