<?php
/*
Plugin Name: copyright information
Plugin URI: http://fairyfish.net/m/copyright/
Description: Add copyright information to every post
Author: Denis
*/
function post_copyright(){
	if(is_single()){
		global $post,$authordata;
?>
<div id="copyright">
<?php echo get_avatar($authordata->ID,'55');?>
<p>Author: <a href="<?php echo $authordata->user_url; ?>" title="<?php echo $authordata->display_name;?>"><?php echo $authordata->display_name;?></a><br />
Via: <a href="<?php echo get_permalink($post->ID);?>" title="<?php echo $post->post_title; ?>"><?php echo $post->post_title; ?></a><br />
Copyright <a href="<?php bloginfo('url');?>" title="<?php bloginfo('name');?>"><?php bloginfo('name');?></a> All rights reserved.</p>
</div>
<?php
	}
}
add_filter('the_content','post_copyright_content');
function post_copyright_content($text){
	ob_start();
	post_copyright();
	$post_copyright_content = ob_get_contents();
	ob_end_clean();
	return $text.$post_copyright_content;
}
?>

<?php the_author_description(); ?>