1. # create a nice webpage with all your thumbnails:
     webmagick --recurse --forcehtml --forcemontage --srcdir ~/pictures --columns 4 
    
  2. # from tiff to eps (useful to include, e.g., a powerpoint slide in a LaTeX document):
     convert slide.tiff slide.eps 
    
  3. # very nice image manipulation program:
     sodipodi