Got the installer working. Fixed a few bugs including a nasty-to-debug issue where the lang_id was being hardcoded during installation, resulting in strings being inserted with the wrong lang_id causing an infinfinite loop with fetch() throwing a "no strings" error and using template (which calls fetch()) to complain
<?php
/*
* Box Art theme for Enano
* Created by dandaman32 - (C) 2006
* License: GPL
*
* This theme is free software; you can redistribute and/or modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
*
* This theme is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for details.
*/
global $theme;
$theme['theme_id'] = 'printable';
$theme['theme_name'] = 'Printable page view';
?>