Pretty dirty and dumb gallery script.
Depends on two main files, one for the gallery-overview and one for the picturedisplay. Additionally, every galleryfolder has to contain a file index.php
with some meta-information.
The pictures have to be named strictly from 1.jpg
to 40.jpg
(f.e.) with NO leading zeros. It has some nice features but the code is dirty and could be done much more comfortable, but has served me in combination with IrfanView/KImageManipulation for many years and websites.