My friend has a few of these things and is looking for ideas. She would like to repurpose them into something for the garden, but can't figure out exactly what to do. They are rusty and dented, about 3' tall and the roof sort of hinges off. They could be painted, stenciled, cut down, or maybe have holes cut into them. She thought maybe a planteror lantern? Any ideas? Extra credit if you can identify their original purpose.