@johnno56 By George! I think you've got it! Very Good!
(Been awhile since I said, "By George," maybe never, who is George? some clever guy?)
Update: the images swapped with only minor change to chips Y values.
Getting close to final version, is there anything you'd like to see?
I know more chips in your total but if you play long enough that should happen. Note to Pete, chips are fake, not even eatable, no cash value ;-))
I like Dav's suggestion of some occasional random ambiance sound to break up the continuous background loop.