hey yal, I have been modeling a tank and now i want to to shot something so i tryed to set up the smoke and stuff. i can't do it, i have this this https://www.megaupload.com/?d=1OGKNN47 and really need help i want it to look like this https://www.youtube.com/watch?v=YZNF...related&search= skip to 1:22 to see the gun fire, or watch the whole thing cause it is quite funny