automatically add a username to part of my html on user profile field drupal 7 - repost

i need to set up so when a user signs up there user name gets added automatically to 2 parts of a html field that iv added for user profiles

im using drupal 7 profiles 2 module and so on the 2 html is have in a field that i need username added to automatically is

<table align="right" border="0" cellpadding="0" cellspacing="0" style="width: 720px; height: 400px;">

<tbody>

<tr>

<td>

<center>

<div id="myElement">

&nbsp;</div>

<script type="text/javascript">

jwplayer("myElement").setup({

file: "rtmp://[url removed, login to view]",

image: '[url removed, login to view]',

title: 'Live Stream Provided By Just-Cast (Stream Will Only Play When Channel Is Live)',

skin: "/jwplayer/[url removed, login to view]",

width: '620',

height: '400',

autostart: 'false',

stretching: 'exactfit',

});

</script>

<p class="rteright"><iframe align="middle" frameborder="1" height="500px" scrolling="no" src="[url removed, login to view];autojoin=%23USERNAMEHERE" width="1100px"></iframe></p>

</center>

</td>

</tr>

</tbody>

</table>

<p>&nbsp;</p>

where i have put USERNAME in capitals is where i need the new username of the user that registers to be automatically added to

HTML PHP

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