How to make a custom object "chrome" or Transparent?!

[Amnesiaplayer]

Have you seen my video on this subject? Perhaps it explains it better by example.

Yes. I did, Some of my models work, some of them doesn't. I really don't understand this anymore I can't use the uv texture editor, you could make a new tutorial, like How to Texture a model with more then 1 image/textures, it surely will help a lot of people
Like how you did with that bed