card values blackjack

Does anyone know how to generate a random image in the restructuring program by Holt Software Assosiates?
I am to create the game letters called Blackjack, where the user is not supposed to have a card value of 21. I want to randomly generate a map using photos in cards (cards) that I have. I know there randomInt but I'm sure there are no random function picture. Can anyone help? Thanks
You must designate the digital maps (card1.jpg, card2.jpg, etc), then generate a random number instead of the name.
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