i made this a few years back with sam from team 330.
http://fwn.thegreenteam885.org/
it has fallen by the wayside a tad bit but if theres interest ill keep working on it. theres also a page that lets you make an iframe to put on your site:
http://fwn.thegreenteam885.org/makeyourown.php it may be what your looking for if not ill be happy to help make it better.
...forest