I know this thread is months old since last post, but I appreciate the creativity you all shared. The images are great.
I'm likely going to try the cross-pole interior-mod as i had a Gander MT canopy that utilized the inside cross pole for support and it held up well in our PNW winds. Not apples to apples, but it is worth a try with our 2 WB SF tarps.

: ) Thom