A little test using Papagayo Mod, and some scripting with AviSynth and Virtual Dub.
"You're the best friends anybody ever had!"
Girl character is based upon one of my random sketchbook doodles.
Audio track is a short snippet of Dorothy from the Wizard of Oz.
This video shows the mouthshapes and corresponding frame numbers. This could be particularly useful as reference when keyframing in 3D or planning shots for stop-motion animation. This may in fact replace the need for an x-sheet in table format. Time will tell :)