Something I really liked about the swarm was that it was tricky to judge their size - at first, I thought they were fairly small, but we start to see just how huge they are. It was as though, through the story, they just got bigger and BIGGER. (I also rather liked that they could be brought down with conventional weapons, just for a change. :)

I want the Captain Magambo and Malcolm Adventures! Failing that, perhaps Malcolm and Wilf could form a sort of Dad's Torchwood or something.