siga o link embaixo espero ter ajudado
http://www.google.com.br/search?num=10&hl=pt-BR&site=imghp&tbm=isch&source=hp&biw=1024&bih=673&q=duente+verde&oq=duente+verde&gs_l=img.3..0i10.845.2978.0.3181.12.12.0.0.0.0.225.1009.6j4j1.11.0...0.0...1ac.4Y07Iz0lSDI