Worker for each Card? cgminer.conf

[buzzkillb]

How do I setup cgminer.conf to have a worker for each card?  I have 2 7950's.  Do I change something in here?

Code:

{
"pools" : [
	{
		"url" : "stratum+tcp://us.wemineltc.com:80",
		"user" : "travanx.1",
		"pass" : "1"
	}
]