carfield,
At the end of last year I followed this same guide you mentioned and was not able to suceed, although I have done it twice, paying very careful attention to the details. So I decided to do it my own way and came up with a procedure that really worked and which I automated by means of a shell script . It is posted at this same room, at http://www.knoppix.net/forum/viewtopic.php?t=18222. Maybe you should give it a try.
Cheers.