12345
{% grouppicture [group]-[layout] %}{% endgrouppicture %}{% gp [group]-[layout] %}{% endgp %}[group] : Total number of pictures to add in the group.[layout] : Default picture under the group to show.
12345678
{% grouppicture 6-3 %}      {% endgrouppicture %}
1234567
{% gp 5-2 %}     {% endgp %}