Post type Echo code is repeating on homepage

just use the code below

<?php
if ( ! is_home() ) {

    if ( get_post_type() == 'pretty-little-liars' ) {
        echo '<div id="headerimg"><img  src="http://tv-cafe.com/wp-content/uploads/2012/08/liars.png"></div>';
    }

    if ( get_post_type() == 'revenge' ) {
        echo '<div id="headerimg"><img  src="http://tv-cafe.com/wp-content/uploads/2012/08/revenge.png"></div>';
    }
}