I don't think there's anything wrong with telltale's site, man. But anyways. Here, I linked straight to the walkthrough pages:
They don't tell you how to get 100%, but its what you asked for. If you're still having problems with the permalinks, I think more information would be needed regarding browser information.
If all else fails, hit up hrwiki.org. They're like the epitome of fanboys, and I'm pretty sure there's walkthroughs and 100% lists there too.