> I'm trying to render fur.  I drew an alpha map shaped like a tuft of fur,
> and mapped it onto a double-illuminated polygon.  Then I covered my object
> with overlapping polygons, arranged sort of like feathers are.  It looks
> pretty nice so far:

Never use alpha mapped polygons as fur... in POVRAY of course.
POV gets very slow when comes to multilevel opacity rendering,
aliasing is more visible and whole rendering process slows down.

From many people's tests it seems that raw geometry renders much more 
faster. Try Chris Colefax macros ...

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