By request of westius, BRPS now is able to append a small piece that may help your track if your visitor click on posts of related posts list.

The new option is append_src:
<script type="text/javascript">
window.brps_options = {
  "append_src": true
  }
</script>

The the links in related posts list will look like
http://example.blogspot.com/2009/03/post-title.html?src=brps