you would need to implement such material effects yourself, and then use them on the given model
like enabling blending and having certain alpha values for the transparent vertices
to do decals you could use multitexturing and set textures to texenvf(gl_decal) and so on
this isnt really a quickfix but requires quite some work to do on creating such surface effects
no clue what that lib does but normally it just gives your information about how things are set up in the model, you will need to code yourself all those things that it should do with the given information