This code adds a box for any text you want. You may use HTML with it too.
<script>
function Add(name,thetext){
//Code Created by Agent Moose
$(function(){
$(".c_username").contains(name).parent().next().find(".user_info").after("<dl class='user_info'>"+thetext+"</dl>");
$(".spacer").hide()
});}
Add("Agent Moose","Custom Text:
Why did I put this here?");
</script>
Blue Text - The member you want the box to be for.
Red Text - The Text that shows up in the box. You may use HTML.
Click here for a preview of this code.