Watching TV, the kids see Krusty do an ad for Mt. Splashmore, a water-themed amusement park. They nag Homer so much that he finally agrees to take them - only to get stuck in a tube at the park because he is too fat. Publicly humiliated, Homer vows to lose weight. While getting his old dumbbells from the attic he finds a series of photos Marge painted of Ringo Starr. Lisa urges Marge to go back to art school to nurture her gift and Marge wins a prize for painting Homer in his underwear, on the couch. Mr. Burns, who is looking for a portrait painter, hires her. She can’t seem to capture his essence, until she sees Burns make fun of Homer, who’s excited he’s gotten his weight down to 239. Marge paints Burns as she sees him - a naked, bitter, elderly man. Burns is upset, but when the public reacts favorably, he goes along.