On the subject of good sounds for your animation:
Good free sound effects = nonexistent. If you want stock sound effects like ambiances, steps on grass etc, either go and buy them or search for acceptable free ones. A sound designer won't help you here.
I remember you putting up a thread about this project a while ago, and I posted you links to a bunch of relatively hi-fi sound files that are free for personal use; Why do you open a new thread about the same project when you have everything you need in regards to sound files?
As for VAs, why not use the collabinator for this kind of request? That's, you know, exactly the kind of thing that the collabinator was made for. Alternatively take a look at the several big Voice Actor threads on the BBS. It's not like they are hard to find or anything.