Free: Contests & Raffles.
If it doesn't matter I will take them. It'll at least be somewhere to start.
If you ever come over to the east side of the state I have a duck or two you could have. Make sure every year you save a couple ducks no matter how old your dog is. Also nice to let them retrieve real ducks during the off season
Head over to the bird dog section of this site... lots of guys there that should be willing to help out. That said, if you're ever on the Eastside, PM me and I can give you some frozen birds.