</font>
This guide was presented <a href="http://www.visivagroup.it/showthread.php?t=21117">[here] </a>
The video clip is done in Italian language but I think most people can still follow the given instructions with quite ease.
You can find this video <a href="http://www.visivaworld.it/Microsoft/VistaPE/Creare_un_LiveCD_con_il_kernel_di_Windows_Vista.html">[here]</a>
:)
-- Nuno Brito