My business partner recently gave me the book "Confessions of an Advertising Man" (by David Ogilvy) and one thing that struck me is that ad research data shows

My business partner recently gave me the book "Confessions of an Advertising Man" (by David Ogilvy) and one thing that struck me is that ad research data shows that using photos of people (as opposed to nothing or to sketches) in marketing dramatically increases interest in the product/article. Your home page is very informative - great. But maybe sprinkle one or two photographs alongside the text?