Here is a list of Tutorials for the Texture Tools Plugin
This will cover the General Usability of the Texture Tools Plugin.
This will cover the how to use the Texture Noise Tool
Details about the Texture Filters tool
This will cover how to insert alpha masks into your textures using the Insert Alpha Channel Tool
This will cover how to channel pack your textures in an RGBA mask texture.
Details about the Blend Texture Tool
This will cover how to use the Normal From Height Texture Tool, Which has the ability to create normal maps on the fly.