Pro pack doesn't use the bum. Trow da bum out! lol sorry couldn't resist that one. You can use photoshop or another program like it and convert the jpg to a greyscale and save it as whateverbum.jpg from whatever.jpg, that way you don't screw up your color jpg. Then just use that as a bump map. You can go into your cr2 and after saving a copy of the original somewhere you can do a search and replace on all bum to jpg. Then it should stop asking for them. If I'm wrong someone please jump in a and correct me on this. Marque