1. Set your FS display setting to whatever you want.
2. Go into FRED and make a mission with whatever you want. (it's not hard at all)
3. Play your mission in FS, press Shift+O to hide the HUD, the Num-/, Num-* and Num-del keys to change views.
4. Press PrintScreen to take screenshots
5. Take a whole bunch, and sort through them later.