Hur dur, I figured it out:
C:\Program Files (x86)\Activision\Call of Duty 4 - Modern Warfare\bin\cod4.def

had to put that in the project settings ~ feel free to lock this

http://i52.tinypic.com/35bi4aw.png I am new to mapping, and my right click menu looks like this... Can someone who isn't a n00b help me figure out how to make it look like this? http://wiki.modsrepository.com/images/f/f5/Jp_model_3.jpg I'm guessing it's because radiant can't find the entities or so...