<?php the_content(); ?>
kodunun üstüne
<?php if ( get_post_meta($post->ID, 'thumb', true) ) { ?> <!-- DISPLAYS THE IMAGE URL SPECIFIED IN THE CUSTOM FIELD -->
<div class="resim"><img src="<?php echo get_post_meta($post->ID, "thumb", $single = true); ?>" width="125" height="125" alt="<?php the_title(); ?>" class="th" /> </div>
<?php } else { ?> <!-- DISPLAY THE DEFAULT IMAGE, IF CUSTOM FIELD HAS NOT BEEN COMPLETED -->
<div class="resim"><img src="<?php bloginfo('template_directory'); ?>/images/no-img-thumb.jpg" width="125" height="125" alt="<?php the_title(); ?>" class="th" /> </div>
<?php } ?>kodunu ekle.
style.css dosyasını aç ve en alta
.resim img{
border: 1px solid #dddddd;
float: left;
padding: 5px;
background-color: #FFFFFF;
margin: 10px 10px 15px 10px;
}thumb olarak kullanacaksın özel alanda. resim urlsini girerek.