I think NIH image has a problem with the video. Before (I haven't tried it with the beta versions yet) when the palette (or LUT) was changed, the background did not go to it's normal colour, but if I used Shift-Alt-7 switch, it did change. I don't know if it is the same bug you were talking about, but I thought I would let you know anyway. ----- Jim Brandt Link8452@aol.com http://members.aol.com/Link8452