hello richards, I know one of the private guides called Madeleine Lavine and she was recommended by my brother-in-law. He met her during his Jerusalem tour and I heard that she is professional tourist guide and offering tours as well. So maybe she will be helpful for your Jerusalem tour. You can contact her at
madl@zahav.net.il, or home phone at - (02) 678-0058 or mobile at (054) 450-4098 (cell). hope this will help you!!