There is a rigid heddle weave along starting next week, Sept 28 2009, at Weavolution
You have to join the Rigid Heddle group to see the weavealong instructions, but there is no charge to join. There will be a beginner level project and intermediate level project.
At Weavezine there are several free projects for rigid heddle
And here is a collection of rigid heddle relatd links
Have a good day.