All of the skylight flashings and water shedding features are installed, ahead of Hurricane Irene. It's now a shingle-sprint to the ridge vent by Saturday, in between sleep and my temporary engineering job.
Some finagling is required, since the chimney is at a joint between the original house and the new addition. Not only is there a step in the roof, but the chimney flashing must include the ridge contour too. ( Photos behind the cut... )