Hello all. A colleague wants to join two or more TIFF stacks in NIH Image , total size about 600 frames. using a G3 233Mhz MacOS 8.5 Any ideas would be most appreciated. Regards Bob -- Robert Hartley, Centre for Cell Engineering,University of Glasgow,UK. mail: rh at mblab.gla.ac.uk, Tel: ++44 (0)141 330 4756 Web : http://www.gla.ac.uk/Inter/CellEngineering