title: MAGENTO: if product is in category A or in category B or in category C, then do this I
body: <p>I am using magento 1.6. I am trying to show a picture on product page view when the current displayed product belongs to specific categories. If product is in category A, or in category B, or in category C... Then echo image. </p>
  
  <p>How could I achieve this ?</p>