Here is my elegant take on a window card
I die cut the window first, marked a few of the openings with a light pencil line, stamped the vases and flowers inside the card, then added the watercoloring.
Stamps - Gracious Vases, Background Basics: Woodgrain
Ink - Fresh Snow; Dark Brown Chalk Ink (Clearsnap); Watercolors (Artist's Loft)
Paper - Kraft; Watercolor paper
Die - Alpha-blocks