It depends on what software your ipod is running.
I can't see how you would do that but you might be able to if you jailbreak it.
How to jailbreak my iPod touch
If you have your own WiFi or if its jailbreak you can download mywi cracked from cydia
Yes
Download Redsn0w from the online website. Next open the file that you downloaded. Then plug the iPod into the computer and run the software.
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.
No currently there is no jailbreak available for the ipod touch 2nd gen
You can turn off the iPod Touch if you jailbreak it.
You cannot put themes on an iPod Touch without the jailbreak.
There is no 3gb on the ipod touch.
You cant get free wifi for your ipod touch. You have to get a wifi router.