Step 1: First you need to copy the core block to local. Copy Grid.php from app/code/core/Mage/Adminhtml/Block/Catalog/Product/Grid.php to app/code/local/Mage/Adminhtml/Block/Catalog/Product/Grid.php Here you'll find a method named _prepareColumns(), add the below code within this method If yoy edit in Notepad++ go to the line number 145. $this->addColumn('product_image', array( 'header' => Mage::helper('catalog')->__('Image'), 'align' =>'left', 'index' => 'entity_id', 'width' => '100px', 'renderer' => 'Mage_Adminhtml_Block_Catalog_Product_Renderer_Image' )); Step 2: Now create the renderer file named Image.php in the following path app/code/local/Mage/Adminhtml/Block/Catalog/Product/Renderer/Image.php Here add the below code.. cla