Find the graphics programming site with a really long name (Squishy bouncy funny good-looking textured programming site or something like that, hasn''t been updated for a long time but has lots of good stuff on it), it has source for Perlin that he''s used for real-time cloud rendering.
"If a man does not keep pace with his companions, perhaps it is because he hears a different drummer. Let him step to the music he hears, however measured or far away"--Henry David Thoreau
