pazerEDIT: Also protip for your map images from cl_leveloverview (although not sure if they're actually yours or if they're just from the tf2 wiki or something): mess with the arrow keys to move the camera's vertical position upwards so you don't have weird clipping on tops of trees and stuff, you'll end up with a much nicer looking level overview. Takes a bit of fiddling though.
Your current:
After arrow keys fiddling:
someone could look into making something like this for each map: http://simpleradar.com/