Well if not Children of Men maybe a scene from Band of Brothers?(for ppl who don't know, its a WW2 movie)

Well here are some popular movies if you guys want ideas....
Children of Men
V for Vendetta
300
Alien
Jaws
Grindhouse
Casino Royale
The Terminator

Wow, that was actually a pretty interesting story, I'm going to go unplug a few things that I'm not using.

Here's another

They have some great comics.

Here's a funny comic I found, I thought some people might like it.