application/modules/language_switch/templates/language_switch_show.tpl
<div class="lang-switch">
<ul class="items">
{foreach $languages as $lang}
<li>
<a href="/{echo $lang.identif . $current_address}">
{if $lang['image']}<img src="{echo $lang['image']}" class="flag" alt="{$lang.lang_name}" style="height: 16px;"/>{/if}{$lang.lang_name}
</a>
</li>
{/foreach}
</ul>
</div>