These are some tutorials on modding with ZModeler 3!
In this tutorial:
1. Import
2. Tuning
3. Texturing and texture merging
4. Creating skins and lightmaps
5. Animations
6. Shadows
7. Color shading (painting)
8. UV map
9. Unwrapping and texture baking workflow
10. Scripting
11. Export
You can buy ZModeler
here or find it on the internet