We were there on Star Wars week-end a few years ago. They had storm troopers walking around on top of the turnstile gate. They were carrying on conversations about the people coming in. I remember one of the things they said. "What is this thing these earth people do? Holding that small box to their eye". another says "it must be a special greeting" " let's do it back to them"
They also had a small parade with a few of the movie characters walking along and a couple of the actors that stared in the movie riding in shiny convertibles.
Most of the activity seemed to take place near the Star Tours ride attraction. There didn't seem to be much of an increase in crowd. Keep in mind thought, we were there at park opening and we left early afternoon.
chessie