Belgravia House in London by Todhunter Earle. Even though this is a rooftop garden, the design show would be excellent for any long, narrow yard. Great way to break up the space by making different "zones"!
Rather than spending big bucks on a premade tall concrete planter, build this one this weekend and save some cash while creating just the size you need. Dyed concrete gives the planter a beautiful custom look! (How To Build A Shed On Concrete)