ctrl-alt-f1 to f6 are 'text' ones. ctrl-alt-f7 is the xserver (GUI).
As for changing the resolution, the line which says
Is telling xorg which colour depth to use. You need to then add the wanted resolution into the correct subsection below.
such as for me:
Modes "1152x864" "1024x768" "800x600" "640x480"
you can add any supported resolutions between " marks.