Just found something fascinating. Not Christmas-y, but if you have some time, have a look. A collection of book, comics, and movie posters from mid-20th century about space travels on Pinterest. Lots of robots there too (for you, Grim). Retro and sci-fi together, with some pin-ups to spice it all. Yummy.
This one is not even a movie poster. It's a beer advertisement but it fits the theme:
Here is another example. Isn't it cute?