How to Create and use garbage mattes in Nuke 6

In this quick clip, you'll learn how to generate a new garbage matte when working in Nuke 6. Whether you're new to the Foundry's popular node-based compositing application or a seasoned post-production professional just looking to better acquaint yourself with Nuke 6's new features, you're sure to be well served by this video tutorial. For more information, including a detailed overview, watch this free video guide.