Thanks for the feedback Nick, I plan on adding smoke and then using the smoke as displacement distortion in AE which I think should do the trick. I've smoothed out the flight path and further tweeked the solve.
The two main objectives of this learning exercise is to achieve good tracking and compositing. I think its slowly getting there.
Man I don't know of any other Maya users in Melbourne, good to see there are at least two
PS: We just got back from the 4x4, Camping and Fishing show.