My two cents worth:
- Don't try to compete with the stuck-wings. Do / show something the can't do. Nothing spectacular in the beginning, more like hover turns, squares, vertical climbs. External load or winching if you are proficient.
- Make a program, set your limits, stick to them
- Practice a lot with a judge on the ground like in aerobatics
- Stick to your program!!!! Don't get carried away during the display and start freestyling!!!
Remember that it only needs to look good for the layman spectator. This doesn't mean it has to be demanding or even dangerous from a pilots point of view.
Cheers,
Bernie