wordpress facebook share fetch wrong picture/s

project for about http://www.sifastroloji.com address. when I try to set different plugins for about facebook share and like the problem is same on all my plugins. all of them share the wordpress article to the facebook but all of them is shows wrong thumbnails on facebook sharing screen. For this reason I copy the wordpress page link to facebook share screen and I put manually the picture from my computer. How can I solve this problem. The thumbnail pictures comes from heading pictures to the facebook sharing screen but I need to share the page with areticles pictures.