how do i make textures on brushes move?
 ya no like lava and water...
  
 
  
  
    Have a look at:
  http://shaderlab.com/q3map2/shader_manual/ch6.html#tcMod) 
 I use shaderEd for the most part and you can animate and see your results in action as you modify the values. 
 Can't help you more that that i'm afraid