The Chronicle of Higher Education
A valueable source of articles and commentary about teaching at the university level
The Jigsaw Classroom
A useful teaching approach using small group cooperative learning
Novel Pedagogy Group
A discussion group focused on enhancing the teaching experience for students and faculty at The University of Scranton
Another helpful link: http://www.stephenbrookfield.com/
I attended a webinar that Stephen Brookfield ran last year about skillful teaching. He directed attendees to his website for additional/helpful resources.