I've no idea, but there's another old plugin that may work for you: GetFeed
Ah yes, the RSS plugin you wanted to use probably needs to be used like this:
<?php show_rss('http://site.com/feed/'); ?>
(put the RSS feed between quotes instead of $url)
Ah yes, the RSS plugin you wanted to use probably needs to be used like this:
<?php show_rss('http://site.com/feed/'); ?>
(put the RSS feed between quotes instead of $url)