BetterWP Recent Comments: Allows you to define the "Template for comments" from a plugin or theme

bwp_recent_comments_template.php

add_action( 'wp_head', 'my_bwp_recent_comments_template' );
function my_bwp_recent_comments_template() {
  global $bwp_rc;
  $bwp_rc->options['template_comment'] = '<p>My template here</p>';
}