Check out the following sections:

Scripting and Moding - released lession maps and diagrams, video tutorials to come
Al Scripting - released lession maps, video tutorials to come
Models - released QC files and diagrams, video tutorials to come
Materials - released Vmt files and diagrams, video tutorials to come
Decompiled Maps - released City 7 V1 hamer maps
Face Poser - released facial expression set, video tutorials to come
Level Design - released some level design notes from my courses