More to explore:
Elegant Fall Window Box Decorating
fall flower boxes | ... boxes for the fall season and how to choose flowers for window boxes
Redesign Guide - autumn window box
Tht combination of the rough stone, lace window curtains and beautiful flowers... Beautiful!
How to design a simple elegant fall windowbox
I think this might not be as much work as flowers since you wouldn't have to deadhead them. And it's beautiful.
Lovely window box of geraniums — The Yvestown Blog
How to Decorate Fall Window Boxes :: HoosierHomemade.com
some kind of scroll decoration for above my front windows?
Dory Window Box--I love this so much! hey- could use many different ideas like this-
Daffodils against a window
bead board planter on metal brackets
Kitchen window box - greengardenblog.com