Joomla help..

[Admiral Huddy]

I'm trying to install a third party template into Joomla but don't seem to be having much luck.

Firstly, when I tried importing using the browse and install function, I get the following error:

Your extension appears to be written for an older version of Joomla, you must enable the system legacy plugin manager if you wish to continue.

So I enabled the system lagacy plugin but still it wouldn't work.

I've also downloaded the required template into the template directory, which was uploaded with the product as part of the installation. The template appears in the template list but shows as incompatible with current version. Again the legacy plugin is enabled.

I'm using Joomla version 1.5
this is the template I'm trying to install.
http://www.themesbase.com/?view=4132


Lastly , I changed the template details xml file

<?xml version="1.0" encoding="utf-8"?>
<install version="1.5" type="template">

but now I get >

XML Parsing Error at 67:2. Error 7: mismatched tag

I've tried numerous templates and none seem to work..

Any ideas?