<?php
// Show a selected number of posts per row
$posts_per_row = 2;
$posts_per_page = 2;
$paged = (get_query_var('paged')) ? get_query_var('paged') : 1;
$args = array(
   'posts_per_page' => $posts_per_page,
   'paged' => $paged,

);

query_posts( array(      'posts_per_page' => 2,      'cat' => '3',     'paged' => ( get_query_var('paged') ? get_query_var('paged') : 1 ), ));

if (have_posts()) {
   while (have_posts()) {
      the_post();



if ((++$post_counter % $posts_per_row) == 1  || $posts_per_row == 1) {
         if ($post_counter > 1) {
            echo "</div><!-- End of post_row -->\n";  // End previous row
         }
         echo "<div class='post_row'>\n";  // Start a new row
      }
      echo "<div class='post_class'>\n";  // Start one post


// Output post data here

echo '<h2>';the_title() ;echo '</h2>';

echo  the_post_thumbnail('thumbnail');

      the_excerpt();
?>

<?php
      echo "</div><!-- End of post_class -->\n";  // End of post
   } ?>
   </div><!-- End of post_row -->
   <div class='clear'></div>


<?php } else {
   // Code for no posts found
}
?>