They actually give some pretty sweet 'official' images to use on marketing websites, which is why all the enormous iPhone images look exactly the same. However

They actually give some pretty sweet 'official' images to use on marketing websites, which is why all the enormous iPhone images look exactly the same. However, they also have forms that have to be mailed (mailed) in to be able to use the materials, so they legally cover their ass by licensing said materials instead of just handing them out to anyone who stops by.