<!-- Снег на аватарке -->
<style>
.pa-avatar {
  position: relative;
  }
.sneg {
  position: absolute;
  width: 180px;
  height: 180px;
  margin-left: 0px;
  background: url(https://forumstatic.ru/files/0013/49/9f/62008.gif) repeat;
  } 
</style>
<script>
$(document).ready(function(){
$(".pa-avatar img").before("<div class='sneg'></div>");
});
</script>