Todd Miller gave a talk at SCaLE 9x on plugin support in sudo 1.8. The slides from the presentation are available. Alek Komarnitsky has a nice slide show on how to use sudo in a large, heterogeneous environment. A.P. Lawrence has a nice article that covers the sudo basics entitled Using Sudo. Peter M. Allan has written a short article on sudo policy basics. Author Michael W. Lucas has a made his video Sudo: Your’re Doing It Wrong available online.