HeadStuff plugin

save as plugin.headstuff.php and put it under fp-plugins/headstuff/, then enable via plugin panel

<?php
/*
Plugin Name: HeadStuff
Plugin URI: http://www.flatpress.org/
Description: Adds some HTML to your <head> section
Author: NoWhereMan
Version: 1.0
Author URI: http://www.nowhereland.it/
*/ 
 
function plugin_headstuff_head() {
echo <<<HEADSTUFF
 
	 <!-- put whatever html tag you want here! -->
 
HEADSTUFF;
}
 
add_action('wp_head', 'plugin_headstuff_head');
 
?>