u carnt unless u jailbreak
You cannot get a picture behind your apps on the iPod Touch through regular settings. You have to jailbreak your iPod Touch and download a theme to get that theme behind your apps.
yes
You have to manually update the OS and apps
you go on the app store then updates then click on the app you want to update then tap the update button
Restore them. Click apps on your iTunes and out the apps back on. Any if then that aren't in iTunes, just download them again.
Without the use of any apps, no, you cannot send or receive picture messages on the iPod touch.If you have an iPod touch, there are two apps that let you SEND picture message, but you cannot RECEIVE picture mail. The name of the apps are:Fun MailText Now (Free Version)
try to restore it again and update it
Simple answer... you can't!
Apple makes sure that all the app developers update the apps to work with the newest OS updates, so in short, no. But if you have internet access to get the apps, and a computer with itunes, you can get the updates no problem.
Technically yes because it will remove your jailbreak if you update and any cydia apps, such as installous will be deleted.
Go to software update after plugging in itouch and tapping it's name. Then do software update. Most updates don't delete anything.
No. Edit: If you mean pirated apps, no, just transfer your purchases to iTunes If you mean apps downloaded off cydia, yes they will be deleted.