Description: Generates an html file and thumbnails.
Requires: mogrify from imagemagick and jhead
How to use: 
- place in the same directory (or symlink or whatever or not).  
- Create a "desc.txt" file that is a description.  This will go into the title of the gallery page.  
- place all pictures in the same directory
- run the following
echo "My Vacation" > desc.txt
./createindex.pl

This will mkdir thumbnails, put thumnails for *.jpg and *.JPG in that directory.