Thematic Facebook Comments, this time without the iframe.

gistfile1.php

// facebook connect functionality....
function childtheme_override_postfooter() {
    $post_type = get_post_type();
    $post_type_obj = get_post_type_object($post_type);

    // Check for "Page" post-type and logged in user to show edit link
    if ( $post_type == 'page' && current_user_can('edit_posts') ) {
        $postfooter = '<div class="entry-utility">' . thematic_postfooter_posteditlink();
        $postfooter .= "</div><!-- .entry-utility -->\n";
    // Display nothing for logged out users on a "Page" post-type
    } elseif ( $post_type == 'page' ) {
        $postfooter = '';
    // For post-types other than "Pages" press on
    } else {
        $postfooter = '<div class="entry-utility">';
        if ( is_single() ) {
            $post_type_archive_link = ( function_exists( 'get_post_type_archive_link' )  ? get_post_type_archive_link( $post_type ) :  home_url( '/?post_type=' . $post_type ) );
            if ( thematic_is_custom_post_type() && $post_type_obj->has_archive ) {
                $postfooter .= __('Browse the ', 'thematic') . '<a href="' . $post_type_archive_link . '" title="' . __('Permalink to ', 'thematic') . $post_type_obj->labels->singular_name . __(' Archive', 'thematic') . '">';
                $postfooter .= $post_type_obj->labels->singular_name . '</a>' . __(' archive', 'thematic') . '. ';
            }
            $postfooter .= thematic_postfooter_posttax();
            // $postfooter .= __('Bookmark the ', 'thematic') . '<a href="' . apply_filters('the_permalink', get_permalink()) . '" title="' . __('Permalink to ', 'thematic') . the_title_attribute('echo=0') . '">';
            // $postfooter .= __('permalink', 'thematic') . '</a>. ';
                if ( post_type_supports( $post_type, 'comments') ) {
                    // remove the damn postconnect, since it displays on the below the comments it is useless
                    $postfooter .= '';
                }
        } elseif ( post_type_supports( $post_type, 'comments') ) {
            $postfooter .= thematic_postfooter_posttax();
            // here we swap out the thematic comment number for the default for WordPress, which facebook filters
            // $postfooter .= comments_number();
            // but then that displays them in an iframe, so we have to use a facebook specific tag
            // from FB page http://developers.facebook.com/docs/reference/plugins/comments/
            // <fb:comments-count href=http://example.com/></fb:comments-count> awesome comments
            $postfooter .= '<fb:comments-count href=';
            $postfooter .= get_permalink( $id );
            $postfooter .= '></fb:comments-count>';
            $postfooter .= ' Comments';
        }
        // Display edit link
        if (current_user_can('edit_posts')) {
            if ( !is_single() && post_type_supports( $post_type, 'comments') ) {
                $postfooter .= "\n\n\t\t\t\t\t\t" . '<span class="meta-sep meta-sep-edit">|</span> ';
            }
            $postfooter .= ' ' . thematic_postfooter_posteditlink();
        }
        $postfooter .= "\n\n\t\t\t\t\t</div><!-- .entry-utility -->\n";
    }
    // Put it on the screen
    echo apply_filters( 'thematic_postfooter', $postfooter ); // Filter to override default post footer
}