http://youtube.com/results?search_query=artoolkit&search_type= http://youtube.com/results?search_query=artoolkit&search... for some neat demos of OSS software t

http://youtube.com/results?search_query=artoolkit&search_type= http://youtube.com/results?search_query=artoolkit&search... for some neat demos of OSS software to overlay computer graphics on real targets