Volumetric Light 2.5 tutorial?

here is a render with 1/2 transparent model

but missing the head have to find why this is happening

Thanks

Tried it out and it renders fine you need the latest SVN.
see my post here:
http://blenderartists.org/forum/showthread.php?p=1594057&posted=1#post1594057

Thank you wysiwyg. that effect is exactly what I am looking for. The God Rays, b.u.t.!