The tricky part about this gauge is that it will change sizes based on the string lengths of the wing names. Thus that's the reason it is a more to the left, to account for if a longer name comes along. A good solution to this would be to put the gauge at the left side of the screen, but then folks might not be expecting it there.
Different campaigns and mods may have different sizes of HUDs based on what the modder did. This scripted gauge will not be affected unless the modder changes options within the script.
Thanks again, I've thought about making this a FSO feature, though then that makes the accessibility a bit more involved because instead of just downloading a script file that does everything, it would be up to each modder to edit the hud gauge table with all the new proper options and setup new image files.