<div class="clearfix" style="margin-bottom:20px !important;"></div> 

<div class="siyahbolum" style="padding:10px 15px 15px 15px;background:#DBCB8E; "> 
<div class="bar" style="color:#333;">KATEGORİ ADI</div> 
<div class="row"> 
<?php query_posts("showposts=6&orderby=date&cat=KATEGORİ-ID"); $x=1; while (have_posts()) : the_post(); 
if ( has_post_thumbnail() ) {$resim = wp_get_attachment_image_src( get_post_thumbnail_id(), 'full'); } else {$resim[0]=ot_get_option("default_resim");} 
if ($x%3==0) {$stil="mr0";} 
?> 
<div class="col-md-4 col-xs-12 col-sm-12"> 
<a href="<?php the_permalink() ?>" style=" text-decoration:none !important;"> 
<img src="<?php bloginfo('template_url'); ?>/js/timthumb.php?src=<?php echo $resim[0]; ?>&amp;w=400&amp;h=400&amp;zc=1" class="img-responsive" /> 
<h3 style="color: #333 !important; "><?php the_title(); ?></h3> 
</a> 
</div> 

<?php if ($x%2==0) { ?><div class="clearfix visible-xs visible-sm" style="margin-bottom:15px !important;"></div><?php } ?> 

<?php $x++; endwhile; wp_reset_query(); ?> 
</div> 
<div class="clearfix"></div> 
</div>
KATEGORİ ADI ve KATEGORİ-ID yazan yerleri değiştirip kullanabilirsiniz.