This was really an exercise to learn more about particle flow.
All of the particle effects were achieved with one system. Two crater marks were not part of the flow but were made from geometry. I would have to say I was a little disappointed with the fire ball look. Anyways, thanks for taking the time to check out this clip.
http://www.zacbavas.com/video/meteor400x320.mov 16.9mb QT
http://www.zacbavas.com/video/meteor720x576.mov 23.1mb QT
http://www.zacbavas.com/video/meteor720x576.avi 24.9mb DivX