Using tip 3, pipe triple drop strings on 6 in. and 8 in. cakes (1, 1 1/4, 1 1/2 in. deep); pipe double drop strings on 12 in. cake (1, 1 1/4 in. deep). Pipe tip 5 bead border around base of 12 and 6 in. cakes; pipe tip 3 bead border on top of 8 in. cake. Position flowers and leaves, securing with icing. Cut drinking straws to 5 in. long; slide onto bottom of cake pick for extra length.
At reception: Position cake on stand. Insert pick in cake top.