He assured us
> that although the goanna was "good tucker" there was no "oil" and
> nothing from the goanna could be used as a medicine for aches pains and
> muscular injuries.

the use of real goanna oil commercially died out quite a while ago I think,
probably early this century.  the aborigine you spoke with may have had no
more idea of its original use than I did of the use of shark liver oil to
light lamposts!

andrew