Okay, I figured out how to make a barrel go bang and rocket upwards when you kill it, currently got a trigger linked to it with this in the On Act line:
bomb = "GrenadeHand" createvehicle getpos yellowbarrel ; yellowbarrel setvelocity [1,1,15]
Now I know this is very sloppy, and triggers can eat CPU, so could anyone help me fit this into a nice efficient script? And does anyone have any other good particle effects up their sleeves?