I like the tonal qualities of the picture and the watercolour sketchiness. Is it meant to be Sisyphus? If you don't know the story behind the picture, here's a link to it:
I don't really know the thoughts behind this picture... on the page I found the ref. it said it was a digitally enhanced photo(and I didn't draw the whole "photo", there were more stones)
anyway, thanks for the link, makes it all more interesting
drawn in 1 hour 36 min
http://www.nyu.edu/classes/keefer/hell/camus.html
anyway, thanks for the link, makes it all more interesting