imagegallery1 Follow @yiiframework

$this->widget('ext.imagegallery1.ImageGallery1',array(
    'images'=>array("<img alt='120' src='bla'>",...more images....),
    'action'=>array('/site/myaction'),  
    'modelId'=>'article12',     // $model->primarykey (as an example)
    'selectedImageId'=>'120',   // the ID for your image...any unique ID
    'onSuccess'=>'function(data){  }',
    'onError'=>'function(e){ alert(e);  }',
));

/**
        the widget invokes this action whenever a user press the delete
        button or the select radio button.
 
        arguments:
 
        $action:    'delete' or 'select'.
        $modelid:   the same value passed to the widget in 'modelId'.
        $id:        the unique id image identificator.
 
        you must act in response to $action.
     */
    public function actionMyAction($modelid, $id, $action){
        // ..do something based on the $action argument
        /   
        if($action == 'select') { ..mark the image $id as default..  } 
        if($action == 'delete') { ... delete the image ref by $id... }
    }