This is a video on From The Couch podcast showing David Perel sketching wireframes for the Obox Theme. The first half shows David sketching, and during the second half he talks through the interface.
http://www.from-the-couch.com/post.cfm/title/wireframing-over-the-shoulder
This is the presentation from Jon Hicks' @media 2009 Icons for Interation talk in London, which includes speaking notes for every slide. Hicks demonstrates effective design and strategies for use, providing plenty of examples, and a link list that points to the resources and tips mentioned. You can download the PDF of the talk.
Fred Beecher wrote what he thinks are the nine essential characteristics you must possess to make a good software user experience designer, in reaction to a comment made about skills an IA should possess. It's an excellent read for those listing qualifications and evaluating UX Designers for hire, and a great list of qualities for job-seekers to demonstrate during interviews.
Elizabeth Buie also added a familiarity with HCI literature, and undboubtedly with HCI history, which I think should be there as well. For descriptions of each characteristic read the full article
http://userexperience.evantageconsulting.com/2009/07/characteristics-good-ux-designers/