Where can i put my iphone pictures to redownload to new?

where can i put my iphone pictures so when i upgrade to 4s tommor i can redownload them on my phone? how do i move my iphone 4 photo to iphone 4s?
Answer #1
Back them up on your computer dood =D
Answer #2
SmAsHeDr replied: Back them up on your computer dood =Di just tried dragging from my iphone to my desktop but i couldn’t drag back.So no work from there…i want to reformat my iphone like new before i sell it
Answer #3
Just copy them somewhere safe onto your computer and when you get your new phone and connect it to i-tunes, simply select the photos tab then sync photos from (browse for the folder your photos are in) and they will be transfered to your new phone