You should not jailbreak your iPod Touch. Jailbreaking comes with many risks involved in it. Among these risks is that of voiding your warranty, so if the jailbreak actually 'breaks' your iPod Touch, the warranty will not replace it for you for free.
How to jailbreak my iPod touch
No, you should not jailbreak your iPod. There is no advantage in jailbreaking an iPod, since it only allows for more customization of an iPod. For the iPod Touch, you could get all apps for free, but it is illegal.
no, to get a newer jailbreak you have to restore the ipod touch and then update the ipod touch and then download the jailbreak. that is a huge con for jailbreaking.
You can turn off the iPod Touch if you jailbreak it.
You cannot put themes on an iPod Touch without the jailbreak.
No currently there is no jailbreak available for the ipod touch 2nd gen
There is no 3gb on the ipod touch.
Redsn0w.
you use spirit. search spirit jailbreak on google and you should find it.
to jailbreak your ipod 4.1 go to greenpois0n.com
to jailbreak your iPod 4.1 go to greenpois0n.com
Yes, you can "Undo" a Jailbreak, by going into iTunes and Restoring your iPod Touch, or iPhone.