Substance in Unreal Engine 4 Tutorial Series
Allegorithmic have created a tutorial series that covers how to use Substance with Unreal Engine 4.
Substance Painter - Real-time Creativity
This video shows some real-time features that can be applied with Substance Painter using Substance Effects and Particle Brushes.
Substance Painter - UI Overview
Allegorithmic have posted a video to overview the user interface of Substance Painter.