Wonder what the mural Banana Guard #16 painted represents? This video explains and analyzes the depictions from the art piece we see in the Adventure Time episode “The Thin Yellow Line,” which chronicles the rise and reign of Princess Bubblegum’s empire.

Here's a link to the images of the mural in full which were used in this video. The mural was designed by Emily Partridge and painted by Joy Ang (who also paints the Adventure Time title cards):
joy-ang.tumblr.com/post/141360456570/got-to-paint-emily-partridges-beautiful-mural

Music:
“The Answer” – Jet Set Radio Future OST
“Latch Brother’s Bounce” –Jet Set Radio Future OST
“Grace and Glory” – Jet Set Radio OST
“Violectrolysis” – No More Heroes OST
“Decretum” – Puella Magi Madoka Magica OST
"Defeat" - Adventure Time Battle Party OST