Every game now has two cards images that you can use on your websites, forum signatures now! Check the bottom of each arcade game for the image url/html code.
<img src="http://static1.scirra.net/arcade/games/49/card-tall.png" border="0" />
<img src="http://static1.scirra.net/arcade/games/49/card-long.png" border="0" />
Please note for technical reasons the play count/ratings will only update roughly once per hour, not real time.