Unknown Bitmap Filetypes Crash VMF Exporter
Do not use bitmap filetypes that Max doesn't know how to read.
Using unknown bitmap types on world geometry and displacements will crash the VMF Exporter. This currently happens if using VTFs in materials in 3ds Max 2013 since there is no VTF plugin yet.
Unknown System Exception
Steps on fixing problems with an Unknown System Exception when importing files.
Generating LODs
The Level of Detail Generator on the Level of Detail Tools Rollout lets you generate LOD models from the root mesh. The tool will make lower-res versions of your model so that less polygons are rendered in-game when players move farther away.
Starter Kits
Source Engine level design starter kits will automate some entity setups for common level design tasks.
Source Engine
Articles related to the Source Game Engine.
Create Prop Zoo from VMF
Create a Prop Zoo of all the models contained in a VMF.
Exporting Your Static Prop
Basic explanation on using WWMT to export your static prop into Source.
Convert Blends and 4ways to OSL
Converting DX Blend Shaders to renderable OSL shaders.