Specialty Gardening: I saw this adorable idea for diplaying your flowers, 1 by Kell

Kell wrote:
They had these at a nursery I was visiting. They were so cute. They had them attached to the end of each table of plants. Each was a different color and filled with different plants. At the beginning of each table was a brightly colored door with a doorstep filled with brightly colored pots and cascading flowers.

I am trying to figure out how I can add this whimsy to my garden! The cutest ones had curtains.