Do you mean having a double-sided mesh? if that's what you're looking for just open the shader with a text editor and add this: "CullFaceEnable=false;" just before "VertexProgram = compile [...]" at the very end of the script
Hi there @ WipeEout: Alpha testing is mandatory, Maya doesn't support sorting of transparent object. It's been discussed here already: I could activate alpha blending in a separate technique but you would need to split the mesh down so that the sorting is properly done per object. Sorry for the lack of support these days,…