Tbthumbnails Using Array Of Image Urls

I’m trying to use TbThumbnails to show images from a directory. Below is my code.

$this->widget(‘bootstrap.widgets.TbThumbnails’, array(

‘dataProvider’=>new CArrayDataProvider(array(‘images’=>array(‘1’=>’/../images/carousel/1.jpg’,‘2’=>’/../images/carousel/ground-2.jpg’))),

‘template’=>"{items}\n{pager}",

‘itemView’=>’_thumbs’,

));

And my _thumbs.php is:

<li class="span3">

<?php var_dump($data); ?>

<img src="<?php echo $data[‘images’] ?>" alt="<?php echo $data ?>">

</li>

My error is:

Undefined index: images

How do I access the image urls here?