As promised, some Mark Steel TV lectures for you to download (Right click and select "download file" or similar command in your browser to save to your local machine).
Warning: these are large files that are best downloaded over a broadband internet connection and even then you should be prepared to wait for a while depending on the speed of your connection.
All files are approximately 80 MBytes and 320x240 pixels resolution.
Aristotle
Byron
Chaucer
Cromwell
Darwin
Descartes
Freud
Newton