<?php $image_url = wp_get_attachment_image_src( get_post_thumbnail_id(), 'full'); if ( has_post_thumbnail() ) { ?>
<a title="<?php the_title(); ?>" href="<?php the_permalink() ?>" rel="bookmark"><img src="<?php bloginfo('template_url'); ?>/timthumb.php?src=<?php echo get_post_meta($post->ID, "resim", true); ?>&w=250&h=220&zc=1" alt="<?php the_title(); ?>" width="250" height="220" /></a>
<?php } else { ?>
<a title="<?php the_title(); ?>" href="<?php the_permalink() ?>" rel="bookmark"><img src="<?php bloginfo('template_url'); ?>/timthumb.php?src=<?php bloginfo('template_url'); ?>/images/hgtucelcom.jpg&w=250&h=220&zc=1" alt="<?php the_title(); ?>" width="250" height="220" /></a>
<?php } ?>

<?php $image_url = wp_get_attachment_image_src( get_post_thumbnail_id(), 'full'); if ( has_post_thumbnail() ) { ?>
<a title="<?php the_title(); ?>" href="<?php the_permalink() ?>" rel="bookmark"><img src="<?php echo get_post_meta($post->ID, "resim", true); ?>" alt="<?php the_title(); ?>" width="250" height="220" /></a>
<?php } else { ?>
<a title="<?php the_title(); ?>" href="<?php the_permalink() ?>" rel="bookmark"><img src="<?php bloginfo('template_url'); ?>/timthumb.php?src=<?php bloginfo('template_url'); ?>/images/hgtucelcom.jpg" alt="<?php the_title(); ?>" width="250" height="220" /></a>
<?php } ?>