htdocs/modules/system/templates/blocks/system_block_socialbookmark.html
<{foreach item=provider from=$block.provider}>
<a href="#" onclick="window.open(<{$provider.link}>);return false;" rel="nofollow" title="<{$provider.title}>"><img src="<{$block.imagepath}><{$provider.image}>" alt="<{$provider.title}>"/></a>
<{/foreach}>