How to Build a Cheap Storage Shed (Playhouse?) (sewing room) etc or chicken coop :) maybe a dog house
Gardening - Organic Dream garden - Raised Bed Ideas You could start with raised gardening beds and protect the dirt from outside Now all I need is a yard!
Cinder block bench against a wall is genius.easy to buy plywood, foam and cover with outdoor fabric. If freestanding, the seat could be lifted for inner storage.