Postie und Simple Tagging - AutoTags?

<?php
include_once (dirname(dirname(dirname(dirname(__FILE__)))) . DIRECTORY_SEPARATOR . "wp-config.php");
define("POSTIE_ROOT",dirname(__FILE__));
define("POSTIE_TABLE",$GLOBALS["table_prefix"]. "postie_config");
//global variable for tags
global $thereisaphoto;
/**
  * This is the main handler for all of the processing
  */
function PostEmail($poster,$mimeDecodedEmail) {
    $config = GetConfig();
    $GLOBALS["POSTIE_IMAGE_ROTATION"] = 0;
    //global variable for tags
	global $thereisaphoto;
    $attachments = array(
            "html" => array(), //holds the html for each image
            "cids" => array(), //holds the cids for HTML email
            "image_files" => array() //holds the files for each image
            );
    print("<p>Message Id is :" . $mimeDecodedEmail->headers["message-id"] . "</p><br/>\n");
    print("<p>Email has following attachments:</p>");
    foreach($mimeDecodedEmail->parts as $parts) {
        print("<p>".$parts->ctype_primary ." ".$parts->ctype_secondary) ."</p><br />\n";
		
		//check for image and set global variable for tags
		if (eregi('image', $parts->ctype_primary)) $thereisaphoto="yes"; else $thereisaphoto="no";
		
    }

function PostToDB($details) {
    $config = GetConfig();
	//global variable for tags
	global $thereisaphoto;
    if ($config["POST_TO_DB"]) {
        //generate sql for insertion	    
        $_POST['publish'] = true; //Added to make subscribe2 work - it will only handle it if the global varilable _POST is set
        $post_ID = wp_insert_post($details);
		
		
		//insert tags depending on photo
		if ($thereisaphoto=="yes") {
		
		$SQL_insert="INSERT INTO wp_stp_tags SET post_id='$post_ID', tag_name='moblog'";
	    $bool=mysql_query($SQL_insert);
		$SQL_insert="INSERT INTO wp_stp_tags SET post_id='$post_ID', tag_name='foto'";
	    $bool=mysql_query($SQL_insert);
		 
		}
		 
		else {
		
		$SQL_insert="INSERT INTO wp_stp_tags SET post_id='$post_ID', tag_name='moblog'";
	    $bool=mysql_query($SQL_insert);
	
		}
		// end of insert
		
		 
        //do_action('publish_post', $post_ID); - no longer needed
        //do_action('publish_phone', $post_ID); -- seems to triger a double


    }
}