I'm trying to get solid colour window borders in Windows 7. I've switched off transparency in the 'Window color and appearance' settings and selected a colour but I still get the 'shiny window' look superimposed on the colour:

What I'm after is this:

Windows seems to overlay the same image that you get when you hover the mouse in the 'Show Desktop' area in the bottom right of the screen:

Is it possible to remove this?