It's worth looking at, even if you think you're familiar with the issue.
It's also possible that you will have to approve using an encryption certificate that Firefox doesn't like. That happened to me in preview mode, but not when I just looked at the published version of this article.
In addition, I had to reduce the size of the slide show so that it would fit in this blog format. If you're having trouble seeing it here, go to the link for the slide show and watch it there. I didn't have the certificate problem there.