Jim (aka Fantamation) from TheRPF started out re-creating a Stopmotion puppet of Luke Skywalker riding his Tauntaun from The Empire Strikes Back (shown here).
From there, he was inspired to film the puppet in Stopmotion, but needed to create a scene. So, he decided to recreate the scene of the Wampa killing the Tauntaun, but from a wide shot.
He set to work creating a armature, sculpting the face and hands for the Wampa, and padding a body, Jim had his new puppet.
After a couple of days of animating his puppets and a couple of weeks of clean up and effects, he has a
Finished video = Vimeo.com password "fantamation"
Here is the clip inserted into the film: Empire Strikes Back Additional Wampa Footage