Well this if from doombuilder tutorial but its the finished product and its pretty good. If anyone wants to become a level maker this can show you the finished product. It took me not to long.
http://srpgp.supersanctuary.com/ffh/download.php?file=dd052716d4aca6bdf56d0ce758d5eef3
http://srpgp.supersanctuary.com/ffh/download.php?file=dd052716d4aca6bdf56d0ce758d5eef3