I will be putting together some training classes on various databases in the Spring, but if you are wanting to learn a couple of new things over the break, the training page for Web of Knowledge has some great videos!
http://scientific.thomsonreuters.com/training/wok/
Try these two for cited searching:
Cited Reference Search
http://www.brainshark.com/thomsonscientific/newwok_citedref_eng
Citation Reporting
http://www.brainshark.com/thomsonscientific/citrept