PictureScript is a tool that creates a straightforward photo and movie gallery from your JPEG images and AVI files. End result does not require a database, PHP, or other such 'heavy' server side technology. End result can be displayed through your website, or stored to CD/DVD.
Un-tar into some directory (probably /tmp)
Copy "picturescript" script into a directory in your path (/usr/local/bin), and make sure it is executable.
Run "picturescript" from the commandline, with no arguments, in order to get usage instructions.