Further progress.
Got the trim installed and the roof piece cut and fitted. I used that “Non-Slip” stuff Bruce had mentioned in one of his builds.
(http://rgsgardenrailroad.com/2014/pawnshop37.jpg)
(http://rgsgardenrailroad.com/2014/pawnshop38.jpg)
(http://rgsgardenrailroad.com/2014/pawnshop41.jpg)