One video covers gable/rake installation for an exposed fastener panel. It’s about how to cut and bend the ends of the gable so it has a clean appearance.
Another video is about gable trim installation on a metal roof, and gable and rake trim installation for exposed fastener panels. In the video, gable flashing is installed on a corrugated metal roofing panel.
There are step-by-step instructions how to install vented ridge cap on a metal roof. The video covers vented ridge cap installation for an exposed fastener panel such as corrugated, R=panel, 7.2 Panel and U-panel.