Well, I couldn't think on another title. The point is I've this grayscale image, and I'd like to use some texture techinque involving erosion and vegetation patterns. I've looked on some PDF tutorials, but I couldn't "adapt" the methods in this map. I'd like some suggestion.

Il_gray.jpg
Grayscale image

Ilism_punto ecuatorial_veg.jpg
Vegetation zones. Colors are quite intuitive.