For those who love the 50s, 60s and 70s

 From:  ed (EDDYF)
5615.50 
m-dynamics - Thanks for the explanations and before-after images. You really made a very convincing image.

I'm seeing more of this type of retro integration of renders onto old images on various forums.

Here's a video of a modern render into a Buick TV commercial I really like:

http://keyshot.com/animation-of-the-week-mark-sengers-buick-bombrunner/2013/

Ed