When the homepage slideshow/image carousel came into fashion, it was a way to get lots of information on the first page of your website. The problem is that most people don't stay on the page long enough to experience all of the tiles/messages. What's more is that the messages and images usually aren't relevant to your prospect's first visit. What's the one thing a visitor should take away from their website visit? Promote that one thing, usually what your company does in layman's terms, and ditch the rest.