YEP that was a great bevy of amswers. I wd certainly try out the ink dropper tool.Real Thanks Zakalwe. But I wd certainly like to ask STRIVING about his answer.whats a attitude mask ? I am still not that deep in POser . Do you mean that I wd render a face with a expression O ? then a head with the same expression ? I wd them scale the 2nd head a bigger in bryce . I wd apply the apply the fog on the 2nd bigger head overlapped on the 1st small head ,which is in turn applied a ordinary ash material. Now to juggle with the transparencies of the two is this what you mean ?? I am trying to send a pic made this way . Please reply back what exactly oyu meant ?? JFIKE - your reply is also quite wise. I wd certainly try out yours.Thanks so much .