gibbs

<?php
require 'app/Mage.php';
Mage::app();
  
$products = Mage::getModel('catalog/product')->getCollection()->addAttributeToSelect('*');

foreach ($products as $product) {
	if (!$product->hasImage()) continue;
	if (!$product->hasSmallImage()) $product->setSmallImage($product->getImage());
	if (!$product->hasThumbnail()) $product->setThumbnail($product->getImage());