This guy is famous for helping people with their iPhones/iTouches.
The video he put up includes-
A video guide on to how to JailBreak your iPod Touch/ iPhone.
A link to the newest version of WinPwn (A tool used to jailbreak)
A link to the latest firmware you need. (Download site.)
I used this video to Jailbeak my iPod Touch, and if I can do it, so can you .