Ok so say I have a website that the majority of content is behind a closed door, login screen for paying customers only. How can I let google know what is there so people can find the site through a search engine.

What programming techniques could I use to give more content to the google bot.

I will have some overview and demonstration screens to tempt the users but will these five to ten pages of content be enough for the search engines.

The key work is quite a highly sort one and there is quite alot of competition.

And before anyone asks the site is not a subscription porn site (Sadly)