Never mind guys,I have got my question answered,here(in the main Lucas Arts Forum):
http://forums.lucasarts.com/thread.jspa?threadID=136303
Ok,so,Lets start on with the movie!
Now I want some volunteers to help us out,like if you're good at sketch or dubbing any characters' voices,I think you guys could give us a hand...Wish me good luck,guys..I'm starting off,now!