just checked it on various NPCs, looks good but when you engage a conversation (close view) with the closer camera sometimes the ears look too cut, i mean too straight marked. What i say is that maybe adding few more polygons, nodes or however it is called in the model should help to smooth the model for the closer views (to have a more rounded ear I mean).
A minor issue of course, been myself as annoying and "sick" for details as I am.
great work cheers