Header Slider

Hello,

I am trying to set up my slider. I have posted 3 posts and categorized them under featured. I have added a featured image. When I visit my site http://www.cam-ps.net the only image that appears in my slider is the featured one. The other post images don’t appear. Can you take a look at what is happening with my slider on my site please and let me know what I am doing wrong? Thanks