Shortly, sample screenshots from my favourite GUI styled games is in the 'package'.
And this is screenshots from the game itself, which I offer to redraw with a new GUI style.
The game data is on place already, all is needed is to change the GUI look&feel, highlight controls (buttons, menus, lists..)
All is acceptable - from ideas, lone controls up to ready sketches. I'm particulary lost myself with GUI & don't know how to help it.