Here is the link to the video i mentioned above:
https://www.youtube.com/watch?v=6EndG9KvxVU

Hey mate! Thank you! Tho scripting HUD elements is not my thing, the only thing is saw in the video in a different place is the GPS, is it what you talking about?
If not what minute you are referring to? Anyways what you need can be achieved via a client side mod or via ARMA main menu / Options/ Layout and you relocate the GPS position

Well, it is at minute 4:32-4:38...watch when he checks his compass. It seems as though he lowered it and made it bigger. I"ll list what I found below looking through the files maybe it will help.i tried writing a mod script to change the position and scale..lol got the scale to work but not the position. .Btw, my friend is using your Waterfall script on Kerma Island man does it add a great element to the world. Keep up the fantastic work!!

path: configfile >> "RscCompass" >> "access"
parents: ["RscObject"]
access = 0;
direction[] = {0,0.5,0.5};
enableZoom = 0;
idc = -1;
inBack = 1;
model = "\A3\ui_f\objects\compass.p3d";
position[] = {0.026,0.047,0.2};
positionBack[] = {0,-0.02,0.075};
scale = "0.47 * 0.875 * (SafeZoneW Min SafeZoneH)";
selectionArrow = "arrow";
shadow = 0;
type = 81;
up[] = {0,1,0};
zoomDuration = 0.5;

So you were able to change the scale via scripting? Sounds interesting...
Tho if you looking for a mod to make it bigger check this:
http://www.armaholic.com/page.php?id=24411

Also i think the guy in the video is using ACE which makes the compass as you see it there.