Use a hammer and sledgehammer to back it up to smash the lip flat. This should allow your lid to sit securely. As far as the kettle bottom goes, you could drill a chitload of holes in it to allow airflow.
BTW- Your helper would be much more effective with a 'Stros hat.
"Bring it on, you bananna thong wearing killer of brisket!"
If you really care about this place, you'll show some respect for it.
Finally got my dream cooker, Runaround Sue
Team Whosoever Q
If a man looks lustfully at eggs and bacon, he has already committed breakfast in his heart.