Add Read More Link to Excerpts in Wordpress From http://flyingchangewebs.com/adding-the-read-more-link-in-genesis/

WP-Custom-Excerpt.php

// Add Read More Link to Excerpts
add_filter('excerpt_more', 'get_read_more_link');
add_filter( 'the_content_more_link', 'get_read_more_link' );
function get_read_more_link() {
   return '...&nbsp;<a href="' . get_permalink() . '">[Read&nbsp;More]</a>';
}