July 6, 2013 — This presentation goes into several code examples starting with a simple one what explains how to create a new re-sized image from a random file on disk, explaining how you can write your own implementation and shows code on how to implement WPThumb as the WordPress main image manipulator.
March 12, 2013 — Loop je regelmatig tegen beperkingen in de WordPress back-end aan? Of werken standaard plugins niet altijd zoals je wilt? Marko laat aan de hand van levendige voorbeelden zien hoe je de WordPress Back-end gebruikersvriendelijker kunt maken, door middel van custom coded plugins!
February 25, 2013 — Everyone always wonder what you can do with a WordPress network installation. This presentation shows a new service for Artists. They can create their own site like WordPress.com but they can also have their own mobile app and connect to their fans in a great way.
February 19, 2013 — Marko Heijnen discusses the new media flow in WordPress 3.5 & how you can do awesome stuff with it. He also digs into the new WP_Image_Editor, the backend API for doing all that awesome stuff and how to use it.