A couple of questions - Gates and Waits

I'm pretty much done with a new Helm's Deep map, and there's only a few problems I'm having.

First off, this Helm's Deep map is somewhat different from the others for several reasons. It's based more off of the book than the movie, like most of the maps, and there are four cutscenes, which I have managed to get working through lack of use of the Wait command.

So here are my questions. Can you make a gate (i.e. Iron Gate) larger than it is normally? I've seen no way other than making a building and setting its Model to that of a gate, but I don't even know if you can do that (I don't know the string).

Also, does the Wait for Sound action have a similar bug to Wait? I used that in one of my cinematics, and I don't really know if it worked or not (I had a Wait command in there, and this was all tested in a multiplayer game).

Any help would be appreciated.

You Can Make The Gate Bigger By Double-Clicking On The Doodad And Change The Size

I've already tried that, the areas for scaling are all greyed in, and can't be edited.

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