Search the CONFOCAL archive at http://listserv.acsu.buffalo.edu/cgi-bin/wa?S1=confocal We used to use the montage feature in NIH-Image and now use the montage feature in Image-J to stitch together adjacent stacks discussed here. In fact, we do most of our confocal image processing and analysis with ImageJ. -Michael ___________________________________ WORK: http://www.aecom.yu.edu/aif/ PERSONAL: http://www.art-studio.us/