Hi Rob, from Australia!
It seems to me that your original question contains an incorrect assumption - THIS is not the "blog", this is the FORUM. Others (above) have shown you one way to get FROM this Forum to the email posts that contain the links to the Blog Posts that you are asking about. And that is a good (short) way to find your way to particular Blog posts
To go direct into the Blog, go to bluesguitarunleashed.com/blog and that's where you will find the videos that the posts link to. That blog is not a "BGU members" area, it's totally public. A problem that I find with the Blog is that there is no index - you have to browse to find what you want. That's why using the "email archives " list here on the Forum, that Paleo and SteveO pointed out, is better - it's a lot easier to find what you are looking for.
Hope this helps.