Thanks for trying the earlier article on am22tech. This earlier article was meant to integrate BE2.0 with existing website.
If you are looking at integrating BE 2.6 with YAF, then you can follow this straight and simple article on am22tech. I wrote it couple of days.
I was able to successfully integrate the BE2.6 with YAF 1.9.6 and have shared all details in the following article: