how to modify the default actionAdmin based on user id

i have the albums controller and i want to modify the actionAdmin in it so that it only loads the current user’s albums in cgrid view to manage how can i do it i can’t figure it out??? any help???

found some help at http://www.yiiframework.com/forum/index.php?/topic/13079-customising-the-admin-action-created-by-crud/

thanks