wpquestions.com, ID = 3611

<?php

// get all terms in the specified taxonomy
$terms = get_terms( 'products-category' );

// loop the terms
foreach ( $terms as $term ) :

    // query posts marked with the current term
    $args = array(
        'taxonomy' => 'products-category',
        'term' => $term->slug
    );

    query_posts($args);

    // loop posts
    if ( have_posts() ) : ?>

    <div class="carousel custom_field_color <?php echo $term->slug; ?>">

        <div class="category_title">
            <h1><?php echo $term->name; ?></h1>
        </div>

        <ul class="clearfix jcarousel-skin-tango">

            <?php while ( have_posts() ) : the_post(); ?>

                <li class="item">
                    <div class="box">
                        <?php
                        if ( has_post_thumbnail() ) { ?>
                            <a href="<?php the_permalink() ?>"><?php the_post_thumbnail('product-thumbnail'); ?></a>
                        <?php } else { ?>
                            <a href="<?php the_permalink() ?>"><img src="<?php bloginfo('template_directory') ;?>/i/post-no-img.png" alt=" "/></a>
                        <?php } ?>
                    </div>

                    <p class="title"><?php the_title() ?></p>

                    <div class="color">&nbsp;</div>

                    <div class="plus_bg"><a href="<?php the_permalink() ?>"></a></div>

                </li>

            <?php endwhile; ?>

        </ul>

    </div>

    <?php endif;

endforeach;

?>