Changing the Home link.

I'm at a loss trying to change the "home" link on the front page from the root to /index.php. There is an intro page before the actually zen-cart page and I've looked everywhere for how to change this, any advice?

I'm not exactly clear on what you want to do. The HOME link will always take you back to the main screen of your ZC. If you want a link back to your intro page, you can add it in includes/templates/YOUR_TEMPLATE/common/tpl_header.php. Add the line in red

<div id="headerWrapper">
<!--bof-navigation display-->
<div id="navMainWrapper">
<div id="navMain">
    <ul class="back">
    <li><a href="http://www.yourdomain.com/whatever.html">Whatever</a></li>
    <li><?php echo '<a href="' . HTTP_SERVER . DIR_WS_CATALOG . '">'; ?><?php echo HEADER_TITLE_CATALOG; ?></a></li>

HTH!