I have not tried this yet. It showed up in my mailbox and I thought that several people here might want to try it.
Here's the URL: Advertising | Facebook
Here's the fine print: Only new accounts created in the last 24 hours are eligible for the $25 offer. Enter coupon code: R7N5-62TY-39FY-PMEE at checkout to redeem. Offer expires 3/31/2009.