The Tantive IV scene cannot be done, below i'll explain all the reasons...
Well to begin working with the scene, i got to cut the ship. That part was Ok, but, i need to make it fit into a black background (that would later be changed to the starfield).
The problem is, the cut looks ugly:
http://th02.deviantart.net/fs70/PRE/f/2014/194/8/5/1_1_by_hundsdorfex-d7qi6be.png
I'll tried to blur the edges to get a good result, it was the logical thing to do. But when i did it, part of the shot appeared :
http://th09.deviantart.net/fs70/PRE/f/2014/194/f/3/1_2_by_hundsdorfex-d7qi6ge.png
(In the shot i'm using mask feather to blur the edges, i tried other blur effects, but they all had pretty much the same results).
So, the shot was bad, i tried to make a scene on my own, but there's no way a scene made from scratch can fit into an ILM movie.
I'm still open to suggestions. (Sorry).
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And about the wampa scene, its looking bad, but with a bit of brightness correction and editing i think i can do it, since it has to fit a black and white video.
And Gimpy, after i'm done with these scenes, lets talk about your scene.