Enter the "Extra Features" screen from the main menu. Highlight the "Movie Stills" option and press Up to display a fork and knife icon. Press Enter to display a map screen. Keep pressing Left to follow a trail that traces the progress of the Donner Party. Stop at the "Fort Bridger July 30" entry. Press Up to display another fork and knife icon. Press Enter to view the production credits for the disc. Return to the map trail and go to the "Truckee Lake October 30: Donner Camp" entry. Press Up to display another knife and fork icon. Press Enter to view an ad for Ravenous Beef Jerky.