Reuse an old tree to make a log pathway in your garden. Good use of "yard" trees and other wood that can't be milled; works much better in climates without termites. Good drainage under the log rounds will make the path last longer.
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.
What would you make from a pile of galvanized buckets? Well how about a Topsy Turvy Galvanized Bucket Planter like the fabulous one over at Cottage At The Crossroads! It’s fun and looks incredible! Drop by and Leo and Jane will share the DIY with you!