Cabelas has most every thing you need, look in fly tying supplies for hair, thread and the like, they have good selection of painted heads or you can buy plain and paint or powder coat yourself. Here are some links if they don't have what your looking for
httphttp://www.barlowstackle.com/?:/...taminainc.com/
Also check craft stores for stuff like feathers, hair, and paint is a lot cheaper