Of course, that looked WAAY too rough :) (I called the better half and said "it's done!" when it was just studded out... she about freaked :)
Then I furred and covered the whole thing with 1/8 ply which I colormatched to my RV's interior.
Here you can get an idea of how much room the boys will have... it's plenty (and plenty strong too... I am 200+ and was jumping up and down in them without a creak)
After the ply, I edge trimmed the whole thing to finish it off (and cover my poor workmanship when needed :) )
Here is what it looks like now (note I moved all the controls to the bath side when I re-sheathed the wall I expanded)
