<ul class="cols_<?= $this->perRow ?>">
  <?php foreach ($this->body as $class => $row): ?>
    <?php foreach ($row as $col): ?>
      <?php if ($col->addImage): ?>
        <li class="<?= $class ?> <?= $col->class ?>">
          <?php $this->insert('picture_default', (array) $col->picture); ?>
        </li>
      <?php endif; ?>
    <?php endforeach; ?>
  <?php endforeach; ?>
</ul>