Hello Guest, welcome to the initial stages of our new platform!
You can find some additional information about where we are in the process of migrating the board and setting up our new software here
Thank you for being a part of our community!
In order of decreasing simplicity and increasing cost and reliability of repair:
4: Get a new body shell and transfer all parts over to it. Scrap this shell
Rivnut?
Get broomstick prop rod for tailgate.
Did you verify a Big Sert won't fit?
http://www.timesert.com/html/bigsert.html