BlurryPixel has posted a Quick start tutorial for creating a Pixel Cloud with Depth from a photographic source as well as another tutorial show how to use a position pass and a normal pass for re-lighting elements in After Effects using the soon to be released Pixel Cloud Relight Plugin.

You can also check out previous posts on the Pixel Cloud plugin for After Effects…
Using Alpha Lights in PixelCloud Point Cloud Plugin for After Effects

Animating a Photo with Pixel Cloud Point Cloud Relighting Plugin For After Effects

The Pixel Cloud plugin effect for After Effects has several nifty features including the ability to relight a 3D rendered scene using separate passes. With this feature, you can drastically change the light source, direction of light and mood of a scene as well as the specularity and reflections in an image. Here is a demo/tutorial of how this can be achieved in After Effects with the Pixel Cloud plugin!