Following the talk on Movement in Photography, here is a link to Derek Gale’s web site. 

Following the talk on triptychs, here’s some useful YouTube videos:
Triptych in Photoshop Elements
Simple Triptych in Photoshop
From Photo to Triptych with Affinity Photo

Here’s a link to the free landscape video class from Simon Hirst’s talk on 28th Sept:  
William Patino’s 4 Pillars of Landscape Photography