Cut Each Slice Of Bread Into A 3-1/2-In. X 3-In. Rectangle, Removing Crusts. Spread With Cheese Spread. Cut Each Rectangle In Half Diagonally, Forming Triangles. At The Bottom Of A 24-In. X 18-In. Serving Tray Or Covered Board, Center Two Triangles With Long Sides Together For Trunk Of Christmas Tree. Above The Trunk, Place A Row Of Six Triangles With Long Sides Together, Forming Three Rectangles; Place One Triangle On Either Side Of Rectangles. For The Next Row, Place Four Triangles, Forming Two Rectangles, With A Triangle On Either Side. Above That, Place Two Triangles, Forming One Rectangle, With A Triangle On Either Side. For The Top Row, Place The Two Remaining Triangles 1/2 In. Apart With 3-In. Sides Facing. (Leave Room At The Top Of The Tray For The Starry Cheese Spread Mold If Desired.) Sprinkle Pecans Over Tree Trunk. Top The Rest Of The Triangles With Beef And Lettuce. Add Olive, Tomato And Radish "Ornaments" With Toothpicks.