I was curious to see how tunnel junction at the center of legs would develop. I thought there may have been an opportunity for a valley there. It looks good and you have plenty of work on your list.
It's almost time for your artistic eye to take over. It's showing already.
Have you tried the steak knife attack on the foam? The technique leaves you with a rock like surface ready for paint.
Mark,
I think the photo with topside creeper answers the window access question.