for those how speak french. A very helpful web site for multi lnb installation and fta in general:
http://www.chez.com/passionsatellite/multitetes.htm
also the satellite magazine Télé Satellite has a very helpfull and they have a weekly episod in streaming (rela player): bonne chance
http://www.telesatellite.com/video/
also if you speak Spanish I found this web page for dual lnb installation ( muestra de instalacion de 2 lnbs aprovecha):
http://www.coloredhome.com/instalar_...parabolica.htm

All these web site have a lot information and a lot picture to help all of the FTA lovers.