drupal - How to make an image featured when there are multiple images uploaded using CCK field? -

i trying create image gallery using cck image field multiple image upload enabled. fine stuck @ 1 thing. want mark image becomes album cover. have googled lot did not come solution. can here please me or @ least show me correct path.

thanks in advance time.

although i've not seen drupal image gallery, sorry if not answer you. can not use views select cck field?