Here's another attenpt at an old-school Photoshop contest - urban planning and Cyburbia-related Magic the Gathering cards! (Cards from any similar game will do as well.)
You can find blank templates for MTG cards at http://www.misetings.com/forums/showthread.php?t=7550. Examples of typical MTG cards are at http://www.magictrade.dk/kort.htm and http://magiccards.info/ .
Here's something to start things off.