In magento 1.9 multiple store product images are not showing the default base image.  You can check when going into a specific store view in the image settings Use default value is not checked.

Here I give you script for set that settings for all product:

try {
    $count = 0; //Check total count for how many products are update Store Wise
    $products = Mage::getModel('catalog/product')->getCollection();
     echo 'Time Start : '.Mage::getModel('core/date')->gmtDate('Y-m-d H:i:s'); //Start time tracking here 
     echo '<br>';
        $setStoreIds = array(1,7); //Put here multiple store ids run one by one store products 
        foreach ($setStoreIds as $setStoreId) {
            echo 'Start Store ID : '.$setStoreId; //Display store id which store is running now
            echo '<br>';
            foreach($products as $prod) {
                $product = Mage::getModel('catalog/product')
                    ->load($prod->getId())
                    ->setStoreId($setStoreId)
                    ->setData('image', false)
                    ->setData('small_image', false)
                    ->setData('thumbnail', false)
                    ->save();

                    $count++;
            }
        }

    echo 'Time End : '.Mage::getModel('core/date')->gmtDate('Y-m-d H:i:s');
    echo '<br>';
    echo 'Total Products Counts : '.$count; //Display total time script taken
} catch (Exception $exception) {
    var_dump($exception);
    die('Exception Thrown');
}