Forum:Picture of Page in Read More section

hai guys, just want to ask about the "Read More" section that in a wikia pages. Why there are some link that have no picture? and i know that pages have at least 1 picture. what's the logic on selecting which image to represent a page ?

here is one of the example pages =

thanks WieQuadrat (talk) 07:05, October 1, 2012 (UTC)


 * The process used is unknown, but it tends to favor images at the top of the page. Other than putting images at the top of the page, there's really nothing you can do to influence it.