Did you read the instructions? It says here that your going to need a previous hack installed and that hack has a third image that you need to make for that hack to work along with this one
<table bgcolor=""#FFFFFF" background="images/mainbg.gif"" width="750" cellpadding="0" cellspacing="0" border="0"><tr><td width="10"><img width="10" height="1" src="images/space.gif" alt=""></td><td width="100%"><!-- spacer -->
<br>
<table align="center" cellspacing="0" cellpadding="0" border="0">
<tr>
<td width="56"><img src="images/catleft.gif" border="0"></td>
<td align="center" background="images/catmiddle.gif" width="638px"><font size=1 face=arial>$post[title] - Posted: $post[postdate] </font><font color="#000000" size=1 face=arial>$post[posttime]</td>
<td width="56"><img src="images/catright.gif" border="0"></td>
</tr>
</table>
The stuff in red is the edit done too the third image where the time goes