How to install GLSL shader mod on Minecraft 1.5.2?

The Shaders Mod just adds code to use shaders – it doesn't bundle any actual shader files you can use. You have to download a shader pack now, and there are lots of different ones for different effects and tastes.

For example, here are my shader packs.

To install shaders:

  1. Drop them into the shaderpack folder located under .minecraft
  2. Start Minecraft
  3. Go to Options, click Shaders, and select the pack that suits you