1) Get rid of icons try something like:
http://www.askvg.com/how-to-remove-program-icons-from-windows-titlebar-and-taskbar-buttons/2) Change the image at Windows & Caption Buttons > Aero > DWM Window > Frames > Window > Top
3) Change the image at Windows & Caption Buttons > Aero > DWM Window > Controls > Captions > Window > Close Button > Normal Button > Active and Inactive
4) Reduce the value at Fonts, Colors, & System Metrics > Fonts & System Metrics > PADDEDBORDERWIDTH:SIZE
all of these use the latest xml locations. they may differ from default.