Make front door. Use purple icing to outline and fill in door. Pat smooth. Use black icing to outline and fill in door window and awning. Pat smooth. Use black icing to pipe windowpanes. Use purple icing to outline door and awning, and to pipe windowpanes on awning. Roll out fondant 1/16 in. thick. Cut out nine strips, each 1 1/2 in. to 2 in. long x 3/8 in. wide. Use toothpick to mark wood grain, and trim ends to look jagged. Attach two strips to door. Use black icing to pipe dot nail heads. Reserve remaining fondant strips.