hi,
forgive me if this is already understood, but here is my feedback:
the menu itself is too large, and its "background" elements are not translucent enough. overall, it should be a lot more narrow. move side descriptions to above their dropboxes. eliminate more "dead space"
functionally, i do find it not to be intuitive. i would put the map criteria last in a collapsable sub menu, and put the important functions at the top. also, the "restore fog" button doesn't seem to work and the map goes into the "game board" view. also, i'd rather not see the mini-map revealed at all by default; and even when "show unknown resources" is unchecked (when you can't see em), ...IF you hover the mouse over a tile it will still say "Iron 2" etc if its going to be there.
having said all this, i get super quick map previews made every time i hit "preview new map" but i don't like the names of these buttons. i would name them "Generate new map" and "Use this map" ...if i click "use this map," it should should close and reload, why a separate button for that?
as always, this is just my feedback and not to suggest i don't like this great mod. but you seem to encourage feedback so thats it. i can be more specific about any of it if you'd like.