>>8420731See
>>8420778I used the 2 brackets to allow for the inverted cheese slope. You can fill the gap with any 1x2 brick.
>>8421070This is the best back view I can post right now. I included the technic hole to try and give him some air tanks, but they ended up being really bulky. I used the hole to attach him to a stand for some of the airborne shots.