MailChimp Required Footer Code. This should help you remove the grey footer that gets put at the bottom of your emails.

MailChimp-Footer-Code.html

<table align="center" border="0" cellpadding="0" cellspacing="0" width="600">
	<tbody>
		<tr>
			<td valign="top">
				<p>*|LIST:DESCRIPTION|*</p>

				<p><a href="*|UNSUB|*">*|UNSUB|*</a></p>

				<p>*|LIST:COMPANY|*</p>

				<p><a href="*|UPDATE_PROFILE|*">*|UPDATE_PROFILE|*</a></p>

				<p><a href="*|LIST:EMAIL|*">*|LIST:EMAIL|*</a></p>

				<p>VCard:<br> *|HTML:LIST_ADDRESS_HTML|*</p>
			</td>
		</tr>
		<tr><td valign="top">
				<!-- if you have a free account you have to have the Rewards tag as well -->*|REWARDS|*
			</td>
		</tr>
	</tbody>
</table>