Middle left, but bottom right using one hand has me curious

Gotta be the blonde on the top or the first brunette on the second row.

Bottom right. She's the keystone of this whole construction and her dedication to her task is admirable.

Topmost or bottom left

If she can be on top of that pyramid, she can be on top of me.

Bottom right does not seem to be having a good time

middle back

Bottom left. Carli Banks really did it for me back in the day. I wonder what she looks like now.

top

Top one gets to be the winner

Not exactly sure why, but building a pyramid out of hot naked girls just made my bucket list.

Sunglasses!!!

Sunglasses. She looks like a power bottom. I would love to just dive in and let her do all the work.

Bottom left. She can stay in that position for me