Creating your own ShutterPoint gallery (March 2006)
This tutorial will teach you how to use PHP, and the ShutterPoint XML RSS feed to create your own photo gallery.
Creating a scriptable interface using CEGUI (January 2006)
CEGUI is a open-source free graphical user interface library. I wrote quite a decent tutorial about this library.
Implementing a simple renderstate manager (January 2006)
This tutorial shows how to convert the Renderstate manager in the DirectX9 SDK to a DirectX8 (or 7) version.
Using SQLite from Visual Basic (5-6) (Juli 2005)
This tutorial shows you how to recompile the C code of SQLite so that it can be used from Visual Basic. Full source included for the Visual Studio project. (Also available at the downloads section).
Vertex shader introduction (at GPWiki.org) (Januari 2005)
An introduction to using Vertex Shaders and Pixel shaders.
Vertex blending (animation) using shaders (at GPWiki.org) (Januari 2005)
This tutorial explains how you can animate your models using bones in a vertex shader. This method is lightnign fast compared to updating all the transforms by the CPU.
Lasso/rope selection in 3D (at GPWiki.org) (Januari 2005)
This tutorial explains how you can draw a lasso 'box' and select all 3D objects inside it. A common technique seen in many RTS games.
Alpha channel tutorial (DirectX)
This tutorial/information Word document will show you how to use Alpha Channels using DirectX and also explains how to use alpha Channels on 16 bit systems, provides some code as well.
A Simple Point Sprite Based Particle Engine (GameDev.net)
This tutorial will show you what a particle system is, what particles are and how to use point sprites. It's made with VB6 and DirectX8. Full source code is included! Feel free to use the code. Ofcourse it would be nice to see a mention of it someday 
DirectPlay8 Tutorials
This tutorial will learn you the basics of sending/receiving messages in DP8. After reading this tutorial you should be able to start working on multiplayer functionality for your game.
HTML Help and VB
This tutorial will explain all things about HTML Help and VB6. Very detailed, step by step images. Contest winner of april 2002.
CallByName Tutorial
This tutorial will explain the function "CallByName" which is unknown to many people, but might make their VB life a lot easier...