A few HTML tips
A note regarding alt attributes on img: they should almost always be empty. Please don't just fill it with the related title or heading, as it just creates a lot of unnecessary text for screen readers. More:  <a href="http://www.456bereastreet.com/archive/200811/writing_good_alt_text/" rel="nofollow">http://www.456bereastreet.com/archive/200811/writing_good_al...</a>