Suzanne Masterson recommends the Harvard Business School Publishing website which has case studies and supplemental readings: 

http://www.hbsp.harvard.edu

Lynda Plevyak recommends this website with resources that outline and support the Project Approach to education

http://www.projectapproach.org/project_approach.php

Elaine Hollensbe recommends the Thiage website with free games and activities.

 http://www.thiagi.com/freebies-and-goodies.html

Warren Huff recommends the Digital Library for Earth System Education, a site that lets you search for resources by course level.

 http://www.dlese.org/library/index.jsp

Howard Jackson recommends McKeachie's Teaching Tips: Strategies, research, and theory for college and university teachers.

From Cengage (or look it up at the UC Library)

Robin Lightner recommends following ProfHacker on the Chronical of Higher Education website.

 http://chronicle.com/blogs/profhacker/

Kenneth Skau recommends the website for the Foundation for Critical Thinking

www.criticalthinking.org

George Suckarieh recommends this site, which is an excerpt from Barbara Gross Davis's book Tools for Teaching which discusses how to increase student motivation.

 http://teaching.berkeley.edu/bgd/motivate.html