Default Thumbanil Location Widgets not showing in Sidebar

I want to display the first image of the post or if there is no image a default image BUT I can’t find where the default image is located or where to put this code in eg php and line

<?php $values = get_post_custom_values(“image”); // set the img custom name
if (isset($values[0])) { // if there’s a img in my custom field
?>
” rel=”bookmark” title=”<?php the_title_attribute(); ?>”><img src=”<?php $values = get_post_custom_values(“image”); echo $values[0]; ?>” title=”<?php the_title(); ?>”/>
<?php } // end if statement
// if there’s no img do replace it with no-img
else { ?>
” rel=”bookmark” title=”Read the rest of <?php the_title_attribute(); ?>”><img src=”<?php bloginfo(‘stylesheet_directory’); ?>/images/no-img.gif” title=”<?php the_title(); ?>”/>
<?php } ?>

Also I’ve got 2 sidebars but when I add say ‘text’ it doesnt actually display..

Any clues?

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