// Use an extrafield instead of K2's images - The extrafield is an IMAGE one
<?php if( $this->item->params->get('itemImage') && $this->item->extraFields->EXTRAFIELDALIASHERE->value !== '' ):
	$var = $this->item->extraFields->EXTRAFIELDALIASHERE->value ;     
	$var = preg_replace('/<img src="/',"",$var); 
	$var = preg_replace('/"> alt="Image" \>/'," ",$var); ?>

	<img src="<?php echo $var; ?>" alt="<?php if(!empty($this->item->image_caption)) echo K2HelperUtilities::cleanHtml($this->item->image_caption); else echo K2HelperUtilities::cleanHtml($this->item->title); ?>" style="width:<?php echo $this->item->imageWidth; ?>px; height:auto;" />

<?php endif; ?>