Turning Technologies, OSU's clicker provider, provides a variety of resources on how to use clickers effectively.
http://www.turningtechnologies.com/audienceresponsecommunity/bestpractices.cfm
Quick tips for using clickers in exciting new ways.
http://www.turningtechnologies.com/audienceresponsecommunity/casestudies.cfm
A collection of case studies about clicker use in educational and business setting, including one from OSU physics professor Bill Reay.
http://www.turningtechnologies.com/audienceresponsecommunity/tutorials.cfm
Online tutorials, including
http://www.turningtechnologies.com/groupresponsesystemsupport/productguidesmanuals.cfm#setup
Documentation on topics including
http://www.turningtechnologies.com/audienceresponsecommunity/onlinetraining.cfm
Turning Technologies, LLC, offers instructor-led, web-based training sessions about using Turning Point software. (Choose a session and sign up as an existing customer.)