Noise Ninja tutorial videos
Noise Ninja for Aperture
Single Image: This is a detailed 15 minute tutorial on applying Noise Ninja to a single image.
Batch Processing: This 4 minute tutorial covers how to apply Noise Ninja to multiple images for batch processing.
Using Noise Ninja Standalone with Lightroom
Lightroom: This 6 minute tutorial covers setup and use of Noise Ninja as an external editor for Lightroom. For batch processing with Lightroom using Noise Ninja's Sidekick mode, please see this FAQ entry.