A definitive list of all worthy Sprites in HL
How to Make Transparent Textures with Wally
The see through texture.
Texture dimensions have a significant effect on the appearance of the texture, the memory used by textures, and in a minor way on r_speeds.
How to make amazing metal textures like in Natural Selection
How to make animated sprites in Photoshop, and how to fix the frames of your sprites so they share the same palette.
Changing the look of your HUD in Half-Life
This is NOT a tutorial on how to make textures. Instead, here are all the texture types I know of, the symbols their names should start with, roughly what they do, and some of the potential problems.
So you want a movie to play, right before your Steam mod loads? Did you know that you can actually do it very simply with Steam?
Decals are as easy as drawing in black & white and saving it into the right directory.
The easiest way to make tileable textures with PhotoShop7 or above
Half-Life Full Crosshair Tutorial.
Learn how to incorporate your own custom textures into maps.
Making them, and getting them to work
using Wally and PhotoShop
Relic explains the techniques on how to make textures that tile seamlessly.
jOeSmOe gives us a tutorial on advanced texturing using PhotoShop.
Using Terragen to render and put together a custom skybox.
Tutorial covering how to calculate the perfect texture rotations in hammer
OK, this tutorial is about how to make a .wad. I'm only showing how to import a .bmp into a .wad with Wally
Texture Types Info
PART1 SIMPLE TEXTURES AND WAD PACKING
Blast Marks using Painter
Part4 ANIMATED Textures
PART 2 Masked Transparent textures
TEXTURE REDUCTION TUTORIAL
Create a Simple Spray with Transparency
Creating Textures for GoldSrc Mapping
Just as the title says, this tutorial will explain how to create a Splash Screen for your Mod.
HalfLife Crosshair Tutorial. From concept to reality.
Change the sound of your textures!
PART 6 WATER Textures
PART 5 TOGGLED AND TOGGLED ANIMATED TEXTURES
Improve the look of your maps using Valve's powerful 'Detail Texture' upgrade.
The glass(es) texture(s)
Im no texture making expert, but ill give you what I believe to me the way to make textures and wads, wait keep reading!
Our first tutorial is creating a Simple spray
A small little tutorial on how to turn an object from a digital photo into a reasonable texture.
Decals are images that you can 'spray-paint' on walls to...um make a statement. Making decals is extremely easy, so let's get to it.
What are spraylogos? Spraylogos are images you can place on most surfaces multiplayer games, with the exception of models.
PART3 ADDITIVE TRANSPARENT Textures