If you check round in the forums you will find simliar posts with simliar request.
But in short you will need to edit the /include/template/main.tpl
I am no expert programmer or designer but have good common sense for checking code. Below is an example to have an understanding of what will be positioned where. This is how I learned from basics...
Below is the standard MAIN.TPL with just simple letter between each line, you change this for your one and you will understand the positioning of everything. The amount of people that put code in completely the wrong place. This simple test file can stop all of that.
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<meta http-equiv="Content-Type" content="text/html; charset=<pun_char_encoding>" />
<div id="pun<pun_page>" class="pun">
<div id="brdheader" class="block">
<div id="brdtitle" class="inbox">
Hope this helps. It helped me with mine...