So, until it’s not locked, a visual bug: at least they should have some spacing.
I would say yes. Videos are one of the best ways to show how-to’s. However, keep in mind that if you upload the video on YouTube, Vimeo, etc, it might not be available for everyone as there are countries out there that have these services blocked. So I would say that screenshots would be the best way.
I wish envato will create a 2 steps autentification sometime, like using the Google Authenticator for example.
Hey, you don’t need an h2. That is achieved by using 1px line of a darker shade of the current background color, and right under it a lighter shade of the current color of the background. It can be done purely via CSS, you don’t necessarily need an image.