From the Writers Guild of Canada:
Writers Talking TV
Our screenwriting-focussed podcasts are recorded at WGC events in front of live audiences and are moderated by WGC members. The podcasts offer an opportunity to learn about the art and craft of screenwriting, as WGC screenwriters discuss their work.
To listen, click on the link and your player should automatically launch. To download the file to your Windows computer, right click on the link and click on the “save target as” option. Then browse to the location where you want to save the file and click save. Each file is between 20 MB and 40 MB in size. Continue to the podcasts.