It depends on your firmware.
For 1.0.0-1.0.2 (which you probably don't have):
Go to iphone.nullriver.com/beta/ and download AppTapp for iPhone. I do not know if it will work with iPod, but it's worth a try. Open AppTapp and click the button to jailbreak your iPod/iPhone.
Go on YouTube search (how to jailbreak and ipod touch) Watch the ones with good comments and lotsa views.
DON'T
no you have to download software on youre computer.
No, your ipod will not break. You simply charge it and re-do the jailbreak. no and you don't need to re- jailbreak it
Around August
99c
just go to www.freewebs.com/gordonaton
jail break it, play apps, sell it
Send it a file in a cake. Then, when it breaks out of jail, have fun and don't get it in jail again!
You can get Cydia on the app store but you have to jail break your iPod so it can work with the app.
Use RedSn0w.
Jail-breaking an iPhone is illegal, but jail-breaking an iPod Touch is not.
On a iPod touch you have to jail break your iPod and then you can get any game you want for free