Not sure if you have the gas tank under the seat. If so, please make sure you put a decent gasket on that fuel sender. I could not get rid of the gas smell in the cab until I replaced the gasket.
Nipples, but you've got the right idea! ;)
Thanks for sharing, I love to see that there are still some old-school craftsmen around that fix and repair things. So often I find that there are just part fitters everywhere that have no idea how to repair anything.
I have seen people cut down the centre line and weld a piece in. Thought about that but ended up buying some fibreglass flares. It looks good but not very sturdy - certainly will not survive a good whack.
My dad used to smoke fish in an old fridge. Low temperature and relative short time so the rubber door gasket was not an issue. Used oak shavings and we used to love the smoked fish.
You might end up doing more damage by trying to get all the paint off. Good luck with the headliner - it's a cow of a job. If patience is not your strong point get it done professionally. Wish I did.