Here's a screen grab from cliqueclack.com showing a still from the episode in question. It's the aftermath of a shooting at an art auction, where bloody drippings on the wall are seen as a work of art by the appreciative audience. Below it is a panel from the similar scene from Fantastic Life, where bloody drippings on the wall in the aftermath of a shooting are seen as a work of art by an appreciative audience.
(Here's the whole 3 page sequence from Fantastic Life, just for context - click 'em to enlarge)
