Stones painted as strawberries when put around strawberry plants in the spring will keep birds from eating your berries because the birds will think the ripened berries are stones.
spiral raised bed/brick
Lady Anne's Charming Cottage: Charming Garden Sheds...
cool idea, use Muffin Tins to mark where seeds should go for even planting, since I can never make a straight line ;)
recycling broken pots
Checkered stone grass patio
Repurposing an old table into a lettuce bed