Delicious Monster and MacThemes.net have announced a design contest to promote the recently released Delicious Library. From Nov. 15-22, Mac users can design and submit shelf themes to replace Library’s wooden shelves. Three winners will be selected on Nov. 30 by a combination of reader and panel votes. The first place winner will receive a US$50 Amazon.com gift certificate, a wireless bluetooth barcode scanner (valued at $175), and a copy of Delicious Library. The second place winner will receive a $50 Amazon.com gift certificate and a copy of Delicious Library. The third place winner will receive a copy of Delicious Library. All theme submissions will be available on MacThemes.net for users to try out.