Impaler

I had that problem as well, but it turned out that I simply had to move the camerra way out and everything was fine from there. I don't know if that is the problem you are having or not. If the issue has to do with being black in MED then try to put it in a level, build it, and see if it is fine when you run it. I have had a "black" look in MED several times (may be a bug ...dunno) but once I put it in the level, built it and ran it..there were no issues with the black look...it was gone in the actual running level.

When do you see a black terrain? when you build and run the level, or is it in MED that you get that black texture?