Digital-Tutors and Pixologic started a promotion for the new release of ZBrush 4 with two Digital-Tutors ZBrush courses for free. The two courses are featuring „Beginner Guide to ZBrush 4“ and „Rendering Enhancements in ZBrush 4“ absolutely for free and you can access them from Pixologic. In the first training you will get an introductory look into ZBrush 4 so you can learn essential terms and definitions and build a solid foundation. It starts from covering the basics of ZBrush 4 and the interface and go through workflow, modeling and applying materials in ZBrush 4. The training is divided in 10 chapters with 1h+ time.
The second training is covering the enhanced rendering features found in ZBrush 4. This course will cover topics such as ambient occlusion rendering, adding subsurface scattering effects to our ZBrush models, rendering transparent refractive surfaces and much more. The training is divided in 8 chapters with 1h time. Be sure to check them!
Source and full article: Digital-Tutors