2GX - Refactotum (slides)

Advanced Domain Models in Grails (slides) (code)

Bending GORM (slides) (code)

Getting Started with Grails (slides)

Going Further with Grails (slides) (code)

Grails eXchange - EJB3 Entities and Grails (slides) (code)

Grails eXchange - Legacy DB Integration with Hibernate (slides) (code)

How to Fail With 100 Percent Test Coverage (slides) (essays)

QCon - Getting Started with Grails.pdf (slides) (video)