Article about sub-irrigated planters with explanation and examples of how to make some out of recycled materials like storage boxes and plastic bottles. Inside Urban Green, Brooklyn Pie Shop Window Boxes Become Sub-irrigated Planters (SIPs) by GreenScaper, via Flickr.
Gardening in Small Spaces -- Planting a Three Sisters Garden
old filing cabinet plus paint--a raised garden. I could also see this flipped flat, raised with legs and roll bar on the back, with cushions and you have a couch/seating with storage cubbies underneath. or use for keeping scrap wood in work shop, or rolls of fabric vertical in a sewing room. PLUS it'll be relatively light weight .. this is great. Going to goodwill tomorrow!