Help Jailbraking iPhone 3G S

[DarkBlood]

Hey, every one! First, I want to thanks you for coming here to read.. xD

Ok, so I need help Jail-breaking my iPhone 3G S, here is some info about it:

iPhone: 3G S
Firmware in use: 3.1 / With the new "Send Photo, via TEXT.. Thingy...


Ok.. So, I just want to jailbreak it, because not only I want Cyndia, but because I want free apps.. It is annoying going to target to buy those shitty, 25 dollars gift card, for my self.. By the way.. I don't want to unblock my phone.. I use AT&T.. The contract is brain new... Not even 1 month old.. So, I ain't going to unblock it...

(Srr, for spelling.. I am in a rush..)