Great as always, Ben!
I also wonder like Richard, if you're building for each incident a new building or if you're reusing older ones?
What I also wonder is how quick you're macking your photos? The fire and smoke looks that realistic so I assume that it is realistic. But then I'm wondering how you keep it under control so that no klicky is hurt (i.e. not melt) and fire get's out of control. (Ok, the fire seems to be that small that's difficult to become out of control for a humon guardian, but I mean out of control w.r.t. the intention you had with making the photos a destroying something you wouldn't like to)