I'm glad I'm not the only one with a geeky nativity scene. In my family, it has been a tradition to bake the nativity scene out of gingerbread. Well, actually, there's no ginger involved. It's called Lebkuchen here, I have no idea if there's an English/American equivalent.
It looks like this:
As you might be able to see, I added a geeky touch to it about two years ago or so, the Tenth Doctor. After all, he's a time traveller and he once said he got the last room at the inn. Here's a close-up (sorry, not quite sharp):