i managed to fix it
without plugin , just saved in the theme image path pict with taxonomz slug name .png and this code modification
<footer class="article-footer" style="text-align:center;">
<?php //$terms= apply_filters( 'taxonomy-images-list-the-terms', '', array('taxonomy' => 'custom_cat',)); ?>
<?php //print_r( $terms); ?>
<?php $terms = get_the_terms( $post->ID, 'custom_cat' );
$numcat=sizeof($terms);
foreach ( $terms as $term ) {
$term_link = get_term_link( $term, 'custom_cat' );
if( file_exists( TEMPLATEPATH .'/images/'. $term->slug .'.png') ){
?>
<a rel="tag" href="https://wordpress.stackexchange.com/questions/151402/<?php echo $term_link; ?>"><img title="<?php echo $term->name; ?>" style="height: 21px; width: 21px;" src="<?php echo get_template_directory_uri() . '/images/' . $term->slug . '.png' ?>" alt="<?php echo $term->name; ?>"></a>|
<?php }else{ ?>
<a rel="tag" href="https://wordpress.stackexchange.com/questions/151402/<?php echo $term_link; ?>"><?php echo $term->name; ?></a>|
<?php } }
//printf( __( ' %4$s', 'bonestheme' ), get_the_time( 'Y-m-j' ), get_the_time( __( 'F jS, Y', 'bonestheme' )), bones_get_the_author_posts_link(), get_the_term_list( get_the_ID(), 'custom_cat', ' ', ' | ', '' ) );
?>
</footer> <?php // end article footer ?>