Log Bird Feeder - 23 DIY Birdfeeders That Will Fill Your Garden With Birds (my note: I haven't looked at all of these, but at least one is a terrible idea. The window birdfeeder -- birds could fly into the glass and hurt themselves.
I am insanely JEALOUS! Shared from Avantgardens - Green Roofs Everywhere. Green Roof Shed at Chasewater, Innovation Centre, Brownhills, Staffordshire UK. Photo: Garden Shed by Thislefield Plants & Design