.WAL File Extension
File Type 1Winamp Modern Skin
What is a WAL file?
Custom modern skin used to modify the interface of Winamp, a music-playing program for Windows
File Type 2Quake 2 Texture File
.WAL File Association 2
Quake WAL file used for mapping textures onto walls and other objects; proprietary image format used by the Quake II first-person shooter video game