For those of you with the patience you can create your own custom card deck. Card deck creation is simple and straight forward. You don't need programming knowledge at all. The card image must be in an xpm or png image format. A good image size is 70 by 90. The image name must follow this naming scheme: RankSuit.xpm. The rank and suit must be lower cased. The suits are specified as:
Spades = s
Hearts = h
Clubs = c
Diamonds = d
For the special rank values use:
Ace = a
King = k
Queen = q
Jack = j
Joker = o
Once you have created all of the card images, place them in a single directory. Adjust your settings in the game, and you'll have a custom card deck. In the case of a Joker image, the filename is: o-.ext.