show/display image in GridView

$this->widget('zii.widgets.grid.CGridView', array(
 'id'=>'sponsor-grid',
 'dataProvider'=>$model->search(),
 'filter'=>$model,
 'columns'=>array(
// -------------------------------//
array(
       'name'=>'image', // 
        'type'=>'image',
        'value'=>'Yii::app()->request->baseUrl."/uploads/sponsor/".$data->image',
  'htmlOptions'=>array('width'=>'100px','height'=>'50px'),
        ),

array(
            'name'=>'image',
            'type'=>'html',
            'value'=>'(!empty($data->image))?CHtml::image("' . Yii::app()->baseUrl . '/uploads/slider/$data->image","",array("style"=>"display: block;width:80px;height:80px; margin: 0 auto;")):CHtml::image("' . Yii::app()->baseUrl . '/images/no-image.jpg","")',

        ),


array(
   'class'=>'CButtonColumn',
  ),
 ),
));