If you mean as the pic you see when you turn it on, go to Settings>General>Wallpaper and select your picture and scale it. You have to have your pictures synced to it though. Now, if you mean to where behind your icons and such, then you would have to jailbreak it.
yeah:)
$199
you can get a ipod touch under 100 at craigslist.com
no it dose not yet
it cost 200$ if you wnat to get it
A iPod touch 4G is from $229.00 to $399.00 it depends on how many gigabytes it has.
click on ipod touch and then under summary click sync
Yes, its what separates Touch form any ordinary iPod. :)
No, an ipod touch is a music device. An iPhone would be the phone & music device.
you have to go back to the apple store
$150-$300, depending on capacity and generation.
No. iPod touches run from $199-399 depending on flash storage space, and the current generation of iPod nanos go from $129-149.