Ensure you are not trying to use a file larger than the engine's limits, as it will simply fail to render.

In the late '90s and early 2000s, "Drip.zip" was a popular utility package containing tools to extract and convert image files into the .wad format required for custom decals in Half-Life and Counter-Strike. According to technical guides on GameFAQs , it allowed players to bypass the default spray limits and use their own art. 📖 Deep Guide: Creating Custom Sprays

Right-click the file, go to Properties , and check Read-only . If you don't do this, the game will overwrite your custom spray with the default one when you open the options menu. 4. Troubleshooting

Locate your game folder (e.g., C:\Program Files (x86)\Steam\steamapps\common\Half-Life\valve ). Place your tempdecal.wad file in this folder.

Images must be saved in 8-bit Indexed Color (256 colors). The last color in the palette (index 255) is usually reserved for transparency (pure blue or pure green). 2. Conversion Process Open your tool (the "Drip" utility or a modern converter). Import your .bmp or .tga file.