here are some rock references :
http://www.pbase.com/iof/image/38388982.jpg - Australia
http://www.rsiphotos.com/images/photos/Landscapes_11.jpg i a particularly beautiful stone face in the northwestern US
http://shot2focus.com/db4/00337/shot2focus.com/_uimages/Rockface.jpg - another from the same region
http://www.cambridge2000.com/gallery/images/P22211286e.jpg - France
http://lakdiva.org/sakwala/sc_site04.jpg - Sri Lanka. I like this mostly for the ancient carving, see how it is literally a single piece of stone?
http://mayacaves.org/files/images/chisecface.preview.jpg - not sure where it is from (mexico?) , but i really like it
http://www.me.berkeley.edu/~dcoatta/Summer2004/JoshuaTree/Fullsize/JoshuaTree-RockclimbingDan.jpg - California, US
http://www.mongabay.com/images/peru/cuzco/Train_1018_0929.JPG - Peru
http://nightglow.gsfc.nasa.gov/eric_journal_files/serpentine_gorge.jpg - Australia
http://www.donporter.net/Cuernavaca/SaltoSanAnton/RockFace.jpg - Mexico
holy shit what what what!!!?!?!! JPGED TO DEATH!
WHY WOULD YOU SAVE PIXEL ART AS A JPG? WHY DID I SAVE IT IN ITS NATIVE FORMAT? WHY? WHY WOULD YOU DO THAT?
:'( :'( :'( :'( :'( :'( :'( :'(
holy shit what what what!!!?!?!! JPGED TO DEATH!
WHY WOULD YOU SAVE PIXEL ART AS A JPG? WHY DID I SAVE IT IN ITS NATIVE FORMAT? WHY? WHY WOULD YOU DO THAT?
:'( :'( :'( :'( :'( :'( :'( :'(
holy shit what what what!!!?!?!! JPGED TO DEATH!
WHY WOULD YOU SAVE PIXEL ART AS A JPG? WHY DID I SAVE IT IN ITS NATIVE FORMAT? WHY? WHY WOULD YOU DO THAT?
:'( :'( :'( :'( :'( :'( :'( :'(
You still need some lighter colors ;o
Currently at school, but I understand what you're saying adam. It just seems difficult to fit shading and detail into such a small piece. I'm really unhappy with the outline is general, it just seems sloppy.