Thanks to Mary for the links:
This video on teaching sounds interesting
Another 2 videos on Student Centred Learning
In both videos above, student centred learning is emphasised, and that knowledge is constructed in the learning process. That sounds like Constructivism to me.
What is Constructivism?
How about teaching as modelling and demonstration under Connectivism, as espoused by Stephen Downes?
Here Stephen presented a different view, based on Connectivist teaching and learning
This video on e-learning would be useful for my class tomorrow evening
This post provides practical tips on preparing Powerpoints.