Here are 2 fine examples how a explosion should look and sound like,
http://youtube.com/watch?v=3kdMRPdRTDY
http://youtube.com/watch?v=sKulBlYqI40& … mp;search=
http://youtube.com/watch?v=3kdMRPdRTDY
http://youtube.com/watch?v=sKulBlYqI40& … mp;search=