I think the video is on the home page of this website. Look under "breaking news" (!) and then instructional material. Or just google it on facetube and it's there. I have definitely viewed it, though, on a link from the home page here.
There is a difference between front and rear pads, and various sizes are available. The differing sizes are there to allow you to adjust the car to the correct ride height accounting for springs, etc. There's a lot of info on this site from about 8 years ago. Search for "progressive springs" and take it from there.