Originally Posted by knowtheobscure
And if you dont have a mac its just as simple. Save the file somewhere on your computer. Then open itunes and click on the photos or pictures tab, find the folder and sync it to your phone. Then open the picture on the phone and click the little twirly arrow and it will ask if you want to set it as a wallpaper.
Good luck!
You are not just able to save a picture and then import it into iTunes to sync it to your IPhone. You have to change the extensions of the photo file to make it allowable on the IPhone.