The awesome things you can do with images inside WordPress from Marko Heijnen
Presentations
The new Media flow in WordPress (Dutch)
De nieuwe media flow in WordPress en hoe verder from Marko Heijnen
Technical changes in WordPress 3.5 (Dutch)
WordPress 3.5 from Marko Heijnen
Improved image manipulation in WordPress 3.5
Image manipulation in WordPress 3.5 from Marko Heijnen
Rocking a WordPress Network
Rocking a WordPress network from Marko Heijnen
Creating native apps with WordPress
Creating native apps with WordPress from Marko Heijnen