To celebrate Pinball Magazine’s first anniversary we’re publishing not one, not two, but three up to the minute interviews with Jersey Jack Pinball crew members. After talking to Jack Guarnieri and pinball designer Joe Balcer earlier this week, we’re glad to be talking to Jean-Paul de Win. Jean-Paul is responsible for the animations shown on the large LCD screen in the backbox of Wizard of Oz. He will also be working on The Hobbit.    PM: Jean-Paul, you created the animations for The Wizard of Oz. Now that the game has been delivered, is that project now completely over for you? JPdW: Yes and no. Keith is still programming the rules of the game, so every now and then something comes along that I need to add or adjust. Occasionally I…