Hey Terry...For starters, concentrate on these forum threads:
The List of Bots
http://www.dombom.com/cgi-bin/dcforum/dcboard.cgi?az=show_thread&om=250&forum=DCForumID42
April 20 2010 - What's Coming Up - This thread discusses the Commentz system.
http://www.dombom.com/cgi-bin/dcforum/dcboard.cgi?az=show_thread&om=251&forum=DCForumID42
Gold - Adsense Sites - Commentz - Bomber Adsense Kit
http://www.dombom.com/cgi-bin/dcforum/dcboard.cgi?az=show_thread&om=261&forum=DCForumID42
If you get over-whelmed, just start with the threads above (ignore the other topics in the meantime) and they will get you going. If you have a question, suggestion or problem, just post on the related thread.