There are two wonderful lectures by Marc Lavoie given at the UMKC two years ago. I had seen them that time but forgot to post it on my blog.
Likely you might have seen it, but if not, here they are.
Lecture 1: Essentials of Heterodox And Post-Keynesian Economics
Click picture to view the video on YouTube.
Lecture 2: Workshop on stock-flow consistent modeling
Click picture to view the video on YouTube.