1.AW_Blog_Block_Manage_Blog_Edit_Form: protected function _prepareForm() { $form = new Varien_Data_Form(array( ‘id’ => ‘edit_form’, ‘action’ => $this->getUrl(‘*/*/save’, array(‘id’ => $this->getRequest()->getParam(‘id’))), ‘method’ => ‘post’, ‘enctype’ => ‘multipart/form-data’ ) ); $form->setUseContainer(true); $this->setForm($form); return parent::_prepareForm(); } 2.AW_Blog_Block_Manage_Blog_Edit_Tab_Form: $fieldset->addField(‘blog_image’, ‘image’, array( ‘name’ => ‘blog_image’, ‘label’ => $this->__(‘Thumbnail’), ‘title’ => $this->__(‘Thumbnail’), ‘note’ => $this->__(‘Thumbnail’), )); 3.AW_Blog_Manage_BlogController: if ($data = $this->getRequest()->getPost()) { if(isset($_FILES[‘blog_image’][‘name’]) … More Add Thumbnail for AW_Blog Extension