I doubt there's a bug... check that your area light is pointing in the right direction - the direction of light is indicated by the perpendicular line coming from the light object in your scene.

I...

What I like about this mr/fg method is that it's really fast to set up although rendertimes can be pretty slow if you have high Ray values. There is a second method for GI using FG in MR (love those...

OK, well I put together a quickie video tutorial that shows how to create and render this image using Final Gather in Mental Ray:

http://www.araness.com/renderdemo.jpg

The link to the tut is:...

Mike, are people still using GI-Joe? I downloaded it once and then I learned how to do FG in Mental Ray and I've never used GI-Joe since.

I'm not meaning to be snobby (if you can be snobby about...