I have a large map that I have made, and I finally got it to work, but everytime I compile and run (in TFC, since it is a TFC map), the game lags a lot (or rather the graphics do) when I look towards the center of the map, which is the center of a space ship, and you can see a lot from there.
Here's the map, with .bsp, .rmf, and .map included:
http://twhl.co.za/mapvault_map.php?id=4736