Picked up the aluminum yesterday for the roof. I had vacillated about how to put the roof together but came to the conclusion that a seamless 24 guage aluminum was the way I wanted to go and after installing it today I'm tickled
The windows are just temped in cause I love looking at them. Hopefully I can get them in in the next week.
I was also losing sleep wondering how the corner trim on the roof was going to work making the 26" radius. Well I needn't have worried, I simply started fastening it at the lower front and when I got to the radius I just worked it around the radius using a 14 ounce rubber dead blow hammer and the results were outstanding. I believe a radius of 12 inches would be very doable with patience.
So tomorrow I'll apply masking tape next to the trim I have temporarily installed, remove the trim, caulk the corner between the tape, install butyl tape to the trim, reinstall the trim, caulk both edges of the trim, and remove the tape. I'll try and get some step by step pictures.
It's really coming together!

CONSISTENCY!!!!!! It's only a good thing if you're not a screw up.