Here are some fun ideas...examples of faux exterior house "windows", painted wall finishes, little painting details in obscure places, functional statues, and a little stained glass. Details like this can add humor, cause unexpected delight for your visitor, and give you an outlet for your creative impulses. Not everything rewarding has to be the result of a major, time-consuming effort.
Detachable painted faux "windows" on residence
2 sets are changed with the season, as the next photos show.