How's this for cheery - Hans Holbein's Dance of Death - I used this as the basis for the design style for an adaptation of Edgar Allen Poe's "The Masque of the Red Death" back when I was in my final year of college. It was also one of the inspirations for Ingmar Bergmann's "The Seventh Seal"

The Dance of Death or Danse Macabre developed during the Middle Ages, when plague was a common visitor; and was used to remind everybody that death was no respecter of rank or privilege and comprised a chain of people dancing in a chain across the land proclaiming their repentance