Those are two very good generic places. I highly recommend you check out mytoons.
Then you could go to the various software places as they each have forums of their own as well. You may not be familiar with these programs, so here are just a few to get you started. You can google specifics or post here if you want more info.
It all depends on what your ambitions are. Some of these might be too small for you? Or they may be just right. Depends also on your experience. By small, I mean they might be hobby users. As an example, I offer the Poser site... I notice that they sell "soundtracks" there for people to use in their productions, which may or may not be lucrative or what you want.