Just play around with it. Discover how different matrices change an image. Or not. #include <GDIPlus.au3> #include <ScreenCapture.au3> #include <GUIConstantsEx.au3> #include <WindowsConstants.au3> #include <INet.au3> #include <EditConstants.au3> #include <ButtonConstants.au3> #include <Constants.au3> #include <misc.au3> ; Colour Matrix Reference Sites (some) ; http://www.codeproject.com/KB/GDI-plus/colormatrix.aspx ; http://bor