Search engines love pages with text, which is content that adds value to the ranking of any webpage. But users like searching for images, or prefer to click on results with images. If you're looking for the cute Hawaiian model Jarah Mariano you'll get a wholoe lot of images of Jarah in bikinis and lingerie.
People using their computers and cell phones to search for a news story may get more text results, but it has been found that they will click on a result with an accompanying image. Search engine giant Google has accepted the premise of images beating text results. Google AdWords now allows advertisers to use image extensions with their ads so that images show up with text results.