I'm trying to do this tutorial
 http://www.planetquake.com/6thfloor/tutorials/multivolume_fog.htm)
 I'm stuck at the part where it says "Unzip fogcaulk.zip..." I can't find a good link to this file. Does anyone know what the shader code is for "fogcaulk"?
  
 
  
  
    just use caulk_nonsolid :)