after burners

hi i have just finished this tutorial http://www.lightspeed-art.com/community/threads/545-Tutorial-Afterburners

on how to make after burners. i was thinking i would use it for game or animation but i got a completely different result and i had to edit it to try and get closer to it but failed. could someone show what ive done wrong.

this is what it eneded up looking like


and here is the blend file http://www.2shared.com/file/hBAFYHuC/missle_display2blend.html