that's an extreamly bad picture.
try one of these (just use a photo filter to simulate a drawing)
http://www.skiptonweb.co.uk/tourist/walks/19_howgill/tg102.jpg
http://outdoors.webshots.com/photo/1031170478014632556ojctjGMYyh
http://www.photoseek.com/07NZT_224_Old-Cromwell-1900.jpg
http://www.janeng.com/portfolio2/images/ea/osg01_06.jpg
great job You're doing here! That's exactly the game I've been looking for years now.