Thematic: Adding Thumbnail Support to Categories

This code will add thumbnail support to your categories when using a Thematic child theme. Your front page posts will not be affected.

When using Thematic it is very important that you do not touch the core files (core files meaning index.php, header.php, footer.php..). Therefore, most of our coding additions are done through the functions.php file. Go ahead and open your functions.php file. Somewhere between <?php and ?> place the following code:

// Thumbnail Support for Categories
add_theme_support('post-thumbnails');
function my_post_title($posttitle) {
    if (is_single() || is_page()) {
        $posttitle = '<h1 class="entry-title">' . get_the_title() . "</h1>\n";
    } elseif (is_404()) {
       $posttitle = '<h1 class="entry-title">' . __('Not Found', 'thematic') . "</h1>\n";
    } elseif (is_category()) {
        $posttitle = '<h2 class="entry-title">';
        $posttitle .= '<a class="alignleft" href="'.get_permalink().'">'.get_the_post_thumbnail(NULL, 'thumbnail').'</a>';
        $posttitle .= '<a href="';
        $posttitle .= get_permalink();
        $posttitle .= '" title="';
        $posttitle .= __('Permalink to ', 'thematic') . the_title_attribute('echo=0');
        $posttitle .= '" rel="bookmark">';
        $posttitle .= get_the_title();
        $posttitle .= "</a></h2>\n";
    } else {
        $posttitle = '<h2 class="entry-title"><a href="';
        $posttitle .= get_permalink();
        $posttitle .= '" title="';
        $posttitle .= __('Permalink to ', 'thematic') . the_title_attribute('echo=0');
        $posttitle .= '" rel="bookmark">';
        $posttitle .= get_the_title();
        $posttitle .= "</a></h2>\n";
    }

    return $posttitle;
}
add_filter('thematic_postheader_posttitle', 'my_post_title');

** Make sure you have a featured image set. Post thumbnails will not work without it.

I want to give a huge thank you to a member from the WordPress forums that goes by the name ‘asinglehumanbeing’. This person gave me the code to make this work.

Watch me do it: