If you are using Photoshop do this... Click the Channels tab of the layers palette. Highlight the alpha channel. That should make the alpha channel only show in your main picture window. Go to File and select "Save As" and save it as your trans channel (click okay to any warnings you may get, they are nothing)...name it descriptively and as a bitmap (.bmp in the drop down menu of file types when saving). Just remember that if you don't invert your transmap (your alpha channel) in Photoshop, you will have to do it in Vue in the material editor. Laurie