Hi. I say first , sorry my poor English. summary This plugin changes an image into black and white , and changes brightness into transparency. All pixels(RGB) = 0 , and after , this can change a color. Purpose 1.For lineart 2. To make the monotone photo. This can easily make monotone photo. Of course , even if you don't use this plugin , you can make this image using "black and white" and "curves". For the person who is inexperienced how to use "curves". An interesting effect is