In addition to the above link, check these out, the first is to tutorial, the second is a chart of what each noise looks like in it's original form, also check out using noise part 1, tells you what each thing in the material lab uses from the DTE.....

http://hinchu.tripod.com/tuts/dte/noise/

http://hinchu.tripod.com/tuts/dte/

Bryce Forum Coordinator....

Vision is the Art of seeing things invisible...