I just got an email from them and thought I would pass on the information.
Book a 2 night or longer Disneyland® Resort vacation package with 2 or more Disneyland® Resort Park Hopper tickets and receive Disney's "National Treasure 2 - Book of Secrets" DVD absolutely FREE! Package must be booked before 11:59 pm MST May 26th. Enter Promotion code: MEMDVD or be sure to mention this code to your reservation agent. Valid for new bookings only.