Harry Potter: Special Edition Easter Egg - Quidditch Painting

Put in the Special Features DVD. (2nd Disk). Take the Hogwarts Tour. Wait until you have the option of moving around. Stay at the first stop. Look towards the fireplace and press DOWN. You may not be looking at the right place, so turn right or left untilyou are at the right spot.
If you are at the right spot, when you press down a painting will be highlighted with the magic sparkle. Click on it and it will go up to it and tell about Quidditch.