TopHATTwaffle’s written mapping tutorials on a variety of subjects.
- The Big Amazing Guide to Lighting
- Finalizing Your Level Before Release
- Mapping Workflow, Keeping Your Sanity for the Extra Long Projects
- Creating Your Own Sound Scripts
- Detail Props on World Spawn
- Hammer Hot Key List
- 3D Sky Box Clouds
- Protecting a Map From Decompiling
- Level Design Process
- Packing Custom Content using VIDE in SteamPipe
- Taking Screenshots the Proper Way
Taken from http://www.tophattwaffle.com/tutorials/