RE: Project... maybe...
Being your on a budget - how about mounting like 5-6 bottle rockets to the back with a metal mount/blast shiled.
I have about 500 bottle rockets that I hate to use on the 4th - (leave sticks everywhere)
Eeeehhhh.....Eeeeeehh...
Now picture 5 one foot flames coming out behind ! Thats what I'm talkin bout !