Here are my findings from animation testing my three little friends. Enjoy!

Here's my completed animation test using my puppet head with the replacement mouths. The eyes went a bit (a lot!) haywire but overall I was really pleased with the actual lip sync and liked the fact that I had managed to get the beard to move with the mouth, giving it a more realistic feel.

I took my replacement mouth puppet head into the studio, and shot some lip sync under a line tester. Here he is mid-flow:

So I took my heads into the studio to do some test animation with them, here are a few shots of them in the spotlight!