Custom head meshes w facial animations

[KentClark]

Someone had an idea about porting dragon age origins followers to skyrim, and I'd like to accept this challenge. As crappy as my ports always are, I always get a tiny bit better with each port I attempt, and one day I seek to gather all my existing "ports" and try and set them to an acceptable standart. Anyways what I'm trying to do now is porting morrigan's head from DAO into Skyrim, but I have no clue where to start with facial animations. Can anyone give me simple directions? I'm really not good at typing in the best possible search term in google so that I'd get the best results.