I don't know if this will help older posters as this is an old thread but hopefully, this video will help others interested in getting PPF or will be trying to install it themselves. Here's a video that I made showcasing some of the processes.
I personally went with XPEL. I know it has a good reputation but also went with it largely because of my installer. They provide great customer service and I know they'll cover me if something were to happen with the film. Really consider the business that you're going to be working with as you...
If you'd rather just use the jack stands that you already own, I've found a company that makes an adapter that just slips over them. Check out this video: