Shadows Cast Against Walls in Art and Illustration
Shadows cast against walls in illustration tend to make a character look larger than life. This can be utilised to horror effect. Below, a big sister tells little brothers a bedtime story. The boys are clearly terrified.
The shadow in the Arthur Rackham illustration below catches the eye more than the head of the man.
The shadows on the wall in the illustration below come from an unseen source of small man-like creatures on horseback. They may or may not be shadows.
Shadows are used to comical (or possibly scary) effect below.
The shadow in the illustration below forms a dark frame around the characters, closing them in, enfolding them into the darkness.