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.
Bathroom Design Collections: 30 Brilliant Bathroom Organization and Storage DIY Solutions - Want to be able to easily find clippers, tweezers and bobby pins? Why not just attach a magnetic strip to the inside of your medicine cabinet door?
Hair Appliance holsters: Use hook-and-loop tape to attach lengths of diameter PVC pipe to the vanity door to hold the curling irons. Do the same thing with pieces of pipe to hold the cords. Let your curling irons cool before you stow them away.