I have googled and looked around does anyone know of any hidden gems out there that is not in first couple pages of a google search....
This video tutorial added to youtube.com on 10/5/2011 got me up in running in about 30 minutes. Fluent NHibernate Tutorial
Update: It's been a few months, but if you need advanced mapping and don't mind 3rd party tools, use DevArt's Entity Developer tool which creates all of your entities and mappings for up to 10 tables/entities for free. The source code for the entity mappings is readily available for you to learn from. If you look at it you can learn a lot. http://www.devart.com/entitydeveloper/