@fyndi
What you are asking for is not possible in the standard settings of the program. You would need to do some serious modification of the software and quite frankly it isn't worth the effort imo.

What you can do is to 'restore down' the size of the map screen (your pic is showing maximized screen) and as Roger's suggested drag the sides (or you can grab the lower RH corner with your mouse, where the 3 diagonal bars are, and just drag in in proportion). But before you do that, 'auto hide' your win7 taskbar which will allow you to drag it down a little further. As you drag, you'll see that neither the size of the top and bottom banners or the letters change, only the map size changes. The proportions of the banners and map are ok in full size i think, i can't recall any other comments about them being made.