Hi Dan-- your suggested mods described below were exactly what I did shortly after this shot was taken... see "on the wall" for a better idea of the result. I used a warmish/dark glaze over the too-light blue drape.
Thanks for your comments!
"If it was my painting I would have made the drapes in the back a bit more dark..."
![[pjd SITOme]](/sue/imgs/sueid/suebar-pjd-id.gif)