There. I changed some colors to separate the differente elements better. <a href="http://s28.photobucket.com/user/Olivier_Theriault/media/HeadTopo_339_comp_zpsb70fd8a3.jpg.html" target="_blank"><img src="http://i28.photobucket.com/albums/c208/Olivier_Theriault/HeadTopo_339_comp_zpsb70fd8a3.jpg~original" border="0" alt="…
AFAIK that won't work. B&W is really a photographer tool, for converting color photographs to greyscale while maintaining or improving composition by allowing you to weight color channels so that some colors are darker/lighter than others by using the sliders. It has presets for mimicking colored camera lens filters for…