I learnt most of what I know about photography several years ago. One of the few “new” things is for me the discovery of the “enhancing” (dydidium) filter (generally manufactured by Tiffen or Schneider Optics B+W), that apparently works only on digital sensors, by differentiating further the wavelenghts corresponding to colors of earth and foliage.
So, Autumn has come, and I went out to practice with this new filter on my Fuji S3. Some examples here.
P.S.: I read here that the filter works on film too.