There is no such thing as an 'instant jailbreak'. Jailbreaking is a process. That iOS is jailbreakable, though.
How to jailbreak my iPod touch
Actually if you update your ipod touch to 4.1. Go to limera1n.com plug in ur device and click make it ra1n
The app installer on the ipod touch or iphone requires a jailbreak. You can do a quick search on google on "install quickpwn" and that will help you jailbreak your iphone 3g or the ipod touch 1st generation. NOTE: THE JAILBREAK FOR THE IPOD TOUCH 2G IS NOT AVAILABLE YET! If you have an ipod touch 1g or iphone 3g, type in on google "how to use quickpwn" and you should learn how to jailbrek your device.
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.
No currently there is no jailbreak available for the ipod touch 2nd gen
You cannot put themes on an iPod Touch without the jailbreak.
There is no 3gb on the ipod touch.
A tethered jailbreak means that YOU CAN NOT TURN OFF YOUR IPHONE or IPOD TOUCH and YOU CAN NOT LET YOUR IPHONE or IPOD RUN OUT OF BATTERY if you did any off these things on your tethered jailbreak you will have to BOOT your device which mean you will have to re jailbreak your packages
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.