To install show you need:
-apache, mysql, ffdshow installed on the server
-uncompress show-VERSION.tgz in the apache tree (no root folder included in the archive)
-modify inc/config.inc.php to your personnal configuration
-update sh/precache.sh with the url of your site
-you can edit js/lightview.js
-create medias/
-create cache/ with write permission for apache process
-touch medias/comments.db and medias/comments.db.bak and add write permission for apache process