I forgot to include the stream I used, in case it is relevant. IT is the weatherlady stream (shown at the top of this web page). Was the only YVU/YUV stream I could find... Mike http://www.efg2.com/Lab/Graphics/Colors/YUV.htm ---------- Michael J. Weiss <mjw at pobox.com> This is a PERMANENT email address. Please use it in all correspondence.