I totally love this idea for an herb garden. The hanging baskets of herbs look so neat and tidy and you can grow different herbs in each level. I think the would be cute with 2 or 3 hanging from just about anywhere. The porch, deck, a bird feeder post or even hooks indoors in front of a window.
Hanging Herb Garden
http://www.telegraph.co.uk/gardening/gardeningadvice/3342860/Thorny-problems.html