From Muppet Wiki

Masterpieces in the Treasury:

• Thomas Gainsborough, Green Boy
• Henri de Toulouse-Lautrec, La Belle Epigue
• James A. McNeill Whistler, Arrangement in Gray and Black with Creep (Whistler's Weirdo)
• Auguste Rodin, The Smooch
• Leonardo da Vinci, Mona Moi
• Hans Holbein, Jester at the Court of Henry VIII
• Jan van Eyck, The Marriage of Froggo Amphibini and Giopiggi Porculini
• Sandro Botticelli, The Birth of You Know Who
• Edgar Degas, The La Danseur
• Henri Rousseau, The Sleepy Zootsy
• Rembrandt van Rijn, Arisfroggle Contemplating the Bust of a Twerp
• Jan Vermeer, Young Lady Adorning Herself with Pearls (and Why Not?)
• Grant Wood, American Gothique
• Pablo Picasso, Pig Before a Mirror

Also includes a short article on The Art of Collecting by Miss Piggy, B. Lt., Msg.