fetsite/app/views/fetprofiles/_portrait.html.erb

<div style="margin-left:auto; margin-right:auto;text-align:center"><%= image_tag portrait.try(:picture).try(:portrait) %>
<br> <span>
  <% if portrait.nil?%>
  PROFIL fehlt
  <% else %>
  <%= portrait.name %>
  <% end %>
</span>
    </div>