No, it will delete it for you when you install the cracked firmware if it deletes it at all.
Spirit has been fixed so it no longer deletes pictures, but I'd recommend backing up data just to be safe.
yes it deletes everything on your ipod do not do it
restore your ipod touch on itunes
You can re-jailbreak your iPod Touch if there is a jailbreak software for your newly updated iOS. Chances are if you updated to the most recent firmware, you will have to wait awhile before a jailbreak comes out for it
easy go to this linkHow_do_you_jailbreak_an_ipod_touch_2g_with_greenpois0nthis is my page it should tell you everything
Pretty much all jailbreaking your iPod touch does is give you the installer app... Which I highly recamend you do but make sure you do the write jailbreak program or it will delete all your apps music and videos and pictures
Yes
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.
How to jailbreak my iPod touch
iPod Touch software updates should not and do not delete everything.
Technically yes because it will remove your jailbreak if you update and any cydia apps, such as installous will be deleted.
No currently there is no jailbreak available for the ipod touch 2nd gen
You cannot put themes on an iPod Touch without the jailbreak.