This podcast is about GSP, Sitemesh and Dynamic Tag Libraries. It introduces you quickly to the core concepts. For further info, have a look at teh excellent Grails user guide at grails.org
The Grails Podcast is a bi-weekly podcast about the Groovy scripting language, the Grails Web Framework and more. It is run by Glen Smith from Canberra, Australia and Sven Haiges from Sunnyvale, California.