Referenced in the first ten minutes: https://www.youtube.com/watch?v=U9t-slLl30E
Shout out to the 501st: http://www.501st.com/
Also, the despecialized. I think this is it: http://originaltrilogy.com/topic/Harmys-STAR-WARS-Despecialized-Edition-HD-V25-MKV-IS-OUT-NOW/id/12713/page/1