Wordpress <?php the_post_thumbnail( 'full' ); ?> without the img-tag

Question

I have noticed that using the post_thumbnail() function in Wordpress inserts the image including the img-tag. Is there a way to have it insert ONLY the src of that image?

Answer 1

Found answer. Thanks anyway.

ID), array(320,240), false, '' );
echo $src[0];
?>