If there are differences between them, it may be because either it would take to long to make exact copies. Or possibly, could they have got in trouble legally of copying them, or at the very least, offended some people ?

I can see where, in these times, they may not want to offend any one in using the exact images. Just throwing ideas out there. Great topic though. Sometimes I wonder about how true to life some of the backgrounds are in games. Thanks for the post. Very enjoyable.