Three Dogs in a Garden: 10 Great Ways to Dress up a Wall or Fence - Love the idea of using a mirror ( to look like a window) and planting climbers on either side and planting an understorey. What a great idea for a small courtyard.
Stop cool drafts from leaky clothes dryer vents by cleaning and lubricating the vent flaps so they completely close. If unsuccessful, replace the vent, a simple task. Clean or replace a leaky dryer vent