http://www.worldofdecoys.com/2014-pacific-flyway-painting-demo-by-daniel--feathers--montano.html
http://www.worldofdecoys.com/redhead-hen-frond-part-2-by-daniel--feathers--montana.html
Also if you are interested in getting started here is an excellent site for an airbrush and supplies at discounted prices. They also have specials from time to time.
http://www.bearair.com/
For more information on painting I have several you-tube videos listed under the Link tab all the way to the bottom.
Let me know if you have additional information and I will post it. This is a great way to soften your painting.
Charlie