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.
DIY Concrete Lightbulb Hooks or drawer pulls: Fill light bulbs with cement, tapping to release air bubbles. Stick screw head or threaded drawer hardware into cement. Let set/dry for 72 hrs. Break and remove glass.
this reclaimed tree root coat rack is a wonderful way to bring the woods into your house. Standing unadorned, it makes a gorgeous piece of sculpture, so be warned, you may have trouble throwing your coat and hat onto it!