More to explore:
tin can hanging pots for the fenceline
DIY mini hanging flower pots - tutorial here
Hanging Herb Garden Tins
Tin Can Hanging Garden Planters ... whilst metal will eventually rust in the outdoors, upcycling tin cans is a cheap and cheerful way to make your own short-term planters, especially for kids gardens. This tutorial shows you how. For more creative container gardens visit http://themicrogardener.com/clever-plant-container-ideas/ | The Micro Gardener
coffee can flower pots - combine with upside-down hanging plant instructions
diy: hanging garden tins. an easy way to recycle your tin cans!