//Test Macro:
//===========
close("tmp*");
for(loop=1; loop<=8; loop++){
        newImage("tmpPic", "RGB ramp", 3000, 2000, 1);
        origID = getImageID;
        run("Duplicate...", "title=tmpBrightness-"+loop);
        run("HSB Stack");
        setSlice(3);
              
        selectImage(origID);            
        run("Duplicate...", "title=tmpBlue-"+loop);
        run("RGB Stack");
        setSlice(3);
}
close("tmp*");