Hawaiian Luau Cake (complete with vacationing penguin!)

This is a BIG cake . . . would feed 75-85 people. Bottom tier is 4 layers of chocolate fudge, middle tier is 2 layers of cherry chip, and top layer is 2 layers of vanilla. Buttercream frosting, with mm fondant accents. The "sand" is crushed vanilla wafers. Tree trunks are pirouette cookies.