chimney, stage I

I've done the fireplace wall, so of course the next thing is the chimney. I had dryfir the chimney, hearth & mantle during the "bare nekkid" build and I marked where the hearth would come inside the chimney, so now it was time to prime everything the color of the grout for the hearth & interior chimney "stones" (have you bright souls figured out what I've done wrong yet?).