Stuff
public text v1 · immutable<?php
if ( arg(0) == 'node' && is_numeric(arg(1)) && ! arg(2) ) {
$node = node_load(arg(1));
<a href="<?php print $node_url ?>" title="<?php print $title ?>"><img src="/files/siteimages/churchiconsubscribe.gif" alt="Subscribe to this Group"></a>
}
?>