By popular demand, here are Kim's instructions for how to make a chicken feeder with found materials, cheap! (Or is that cheep...)
This is what the $32.99 hanging feeder looks like. Notice how the tray at the bottom hangs lower than the bucket, so that the feed slips through the gap from the bucket into the tray at the bottom.
You will need a bucket and a base of some kind bigger in diameter than the bucket. Kim has used both the bottom drip tray of a plant pot and the base of a ceiling light fixture, and recommends the plant pot drip tray because it has steeper sides that will make it harder for the chickens to flick food out of. You also need something to cover the top of the feeder, like an old pie plate or a Tupperware lid. (So that's where all the lids have gone to...)
You will also need a drill, some leftover bits of electrical wire, three lengths of chain, an S-hook, some plastic zip ties, a wire cutter and some needle-nose pliers.
First, cut a generously-sized hole in the bottom of the bucket. Make sure it isn't bigger than your lid!
Use the drill to create three equally-spaced holes near the top of the bucket and attach the lengths of chain with zip-ties. Then drill one hole in the bucket and a matching hole in the lid to attach the lid with a zip-tie. Any more and you won't be able to lift the lid in order to fill the feeder.
Now attach the bucket to the base. Look to see where the bucket fits into the base, and mark three or four equally-spaced spots for holes in the base, and corresponding holes near the bottom of the bucket. Use the bits of electrical wire to attach the bucket to the base, making sure you use long enough pieces of wire so that when the feeder is hung upright, the base hangs an inch or so below the bucket. But make sure it doesn't hang so low that the top of the base is below the bottom of the bucket, or the food will overflow. Kim said the advantage of using the electrical wire is that it is easily knotted and re-knotted if you need to make adjustments once you see how much food comes out into the base. (Somehow we didn't manage to get a good picture of this - so sorry!)
Attach the three chains to an S-hook, and the feeder is ready to hang. Lucky chickens!