Here are two example scripts: wont work if you don't have nvcompress.exe's file-path in your PATH ENV Variable put the files here \Adobe Photoshop CS*\Presets\Scripts run from File>Scripts for color: SaveDDS_c.js for normals: SaveDDS_n.js How it works: it saves a temporary copy of the current document as a .tga it opens…
i like nvidia's texture tools 2 http://developer.nvidia.com/object/texture_tools.html its a command line app - runs on the gpu through CUDA - only downside is it only runs on certain supported hardware. you can integrate alot of cool command line apps like this into photoshop using some quick javascript and easily…