I think Chris explained well what I mean. Just a minor point: > li pa vu'u mo'e le jai sela'u le pixra cu blanu > 1 minus the quantity by which the picture is blue. It should read: li pa vu'u mo'e le jai la'u blanu be fai le pixra Here {jai la'u} is working as a SE, and I think we want {la'u}, not {sela'u}. co'o mi'e xorxes