Permalinker

<?php
/*
Plugin Name: Permalinker
Plugin Author: Andy Stratton
Plugin URI: http://theandystratton.com
Author URI: http://theandystratton@gmail.com
Version: 1.5
Description:
*/

// Example:
// [permalink id=123]My 123rd post![/permalink]
//
function permalinker_links($atts, $content = null) {
	extract(shortcode_atts(array(
		'id' => null,
		'target' => null,
		'class' => null,
		'rel' => null
	), $atts));
	if ( empty($id) ) {
		$id = get_the_ID();
	}
	$content = trim($content);
	if ( !empty($content) ) {
		$output = '<a href="' . get_permalink($id) . '"';
		if ( !empty($target) ) {
			$output .= ' target="' . $target . '"';
		}
		$output .= ' class="permalinker_link';
		if ( !empty($class) ) {
			$output .= " $class";
		}
		$output .= '"';
		if ( !empty($rel) ) {
			$output .= ' rel="' . $rel . '"';
		}
		$output .= '>' . $content . '</a>';
	}
	else {
		$output = get_permalink($id);
	}
	return $output;
}

// Example:
// <img src="[template_uri]/images/my_inline_image.jpg" alt="Photo" />
//
function permalinker_template_uri( $atts, $content = null ) {
	return get_template_directory_uri();
}

add_shortcode('permalink', 'permalinker_links');
add_shortcode('template_uri', 'permalinker_template_uri');