About second picture I can say that player can just steal VTOLs when STAG is lands by them and set them in order.I found these pictures at saints row wiki.
There must be a way to add vehicles there. The STAG in the first picture may have shown up during usual gameplay, but then what about the second one?
This mod doesn't seem to work for me. I'm playing long after the main game has ended, and as far as I can tell I don't have any other mods that would conflict with it. The statue is still destroyed, the big ship is destroyed, and there's no Daedalus above the city. Any idea what's wrong?