haha :D
That what the plan :D
I had some idea i didn't manage to implement, had to focus on the core, but im sure you would have enjoyed it, here is the list:
x) Missing features: Selecting passengers with the mouse blow them up
x) Selecting the bus blow up the bus
x) set driving mode to: auto pilot. enjoy the killing without having to lift a finger :D
x) blood spray when hitting passengers
x) wheel tracks / blood tracks