Baseball fans aren't the only ones celebrating Opening Day today. April 5 also marks the first day of the second annual ChiPubLib.org Design Contest. You have from now through May 16 to create a library-inspired posted design using the URL.

The winner, chosen by a panel of judges from among 30 finalists, will get his or her design featured in the Chicago Public Library's citywide campaign. (A "People's Choice" winner will also get a printed, framed poster.) What are you waiting for? Get started now.