M.M.
Craiglist should be just fine. The only reason you should be getting flagged is if you are selling the puppies. A rehoming fee of no more than 100.00 is reasonable but you can't sell them on craigslist. It you are selling them, list them in the newspaper. Unfortunately, this isn't a good time for trying to find homes for them; more and more people are having to find another home for their pets b/c they afford them anymore. Good luck.