Done in Manga Studio 5, the tools used were:
G-pen and textured pen (lines)
watercolor (dense coloring) brush
fill-in mono pen (main coloring)
airbrush/spraycan and blend (sky and grass)
Effect tool used: grassland types A and B, think, as well as trees.
Ryan/Guardian Warhammer, from my old "Sonic the Hedgehog" comic-book-based fan-fiction. :)
Link
Timot-Eii
The background is very good and this is a blast from the past for me. Not seen knuckles depicted like this since I was a child.