raw vegatable and fruit waste and peelings, Grass clippings, you can put Chicken bones, ok in a bin, I always put a layer of earth at the top for the winter, helps keep it warm, and encourages insects. not potato peelings, tomatoes, Rhubarb leaves.
I have four council bins, a good idea, if you can get another, then you can transfer from one to another every so often.
If Tbird+, Cetti or Clanads around, they'll add or take away from what i've put, but I get some really good stuff doing it that way.