Your main job - in order to reach the world for Christ - is to know God yourself, to know his Word, to faithfully preach and teach that Word to your people and, so, be used by God to create a community that does far more than you can ever do just by a cleverly-planned service - you know, the people that I preach to every Sunday are going to see far more non-Christians than we could ever fit in our building, so if I can equip them, if we can create a culture of evangelism where we're not trying to have an event that draws non-Christians to our gathering....
(And there the tape ran-out - argh!!)