More to explore:
DIY halloween window decorations
Ah Ha! Red tissue paper in all my windows this Halloween!
Decorate a window for Fall.
Contact paper becomes broken glass windows!? So would look awesome in "Frankies" window
use black paper, cut the shapes you want, then tape them on the windows
paper plates taped to stoneware plates
paper leaves in the window
paper icecicle - front window?
Decorate the windows for Fall ( with kids made leaves )