Affiliates Plugin - defining own events

Hi,

I am looking to use the affiliate plugin and wanted to follow this link which is broken:

http://wpmu.org/integrating-the-affiliate-plugin-part-one/

I am trying to create my own sign up events and paid member events. I would like the ability for a sign up to be triggered after a booking form is submitted and ideally record the value of the booking. Can you explain how i can get this to be triggered in the system against the Sign up field?

Also, I want to be able to manually enter the number of bookings that are made and pay the commission from these bookings accordingly (as bookings aren't made in real time from the website) Would it be possible to do this too?

Thanks