Shaded drone, creating art branch

Added some shading to the drone.  Starting a branch for art related
changes.  This branch should generally be safe to merge to master.
changing rock!
Added Drill To Pierce Heavens
rock

rock rock rock
Delete Thumbs.db
Added Biggest Red Drill to Pierce Heavens More
Rename images to remove spaces.
Merge remote-tracking branch 'origin/art'