Ah, that's the problem. I have a Mac. I can DL GTK, I follow all the Mac steps and yet, the app doesn't open. I can open the actual thing, but it won't open a window or anything. Then I got the latest version of X11 (req'd for Mac's GTKradiant) and still won't do anything. That's when I opened a random map from UrT in NetRadiant and it worked, but the textures didn't work at all. Any help you can offer, Macradiant users?