Don’t mess with RSS plugins! Here is a snippet that displays any external RSS feed you want. This code display last 8 posts from SramekDesign in a list of links to the posts.
<?php include_once(ABSPATH.WPINC.'/feed.php');
$rss = fetch_feed('http://www.yoursite.com/feed/);
$maxitems = $rss->get_item_quantity(8);
$rss_items = $rss->get_items(0, $maxitems);
?>
<ul>
<?php if ($maxitems == 0) echo '<li>Nothing to display.</li>';
else
// Loop through each feed item and display each item as a hyperlink.
foreach ( $rss_items as $item ) : ?>
<li>
<a href='<?php echo $item->get_permalink(); ?>'
title='<?php echo 'Posted on '.$item->get_date('j F Y | g:i a'); ?>'>
<?php echo $item->get_title(); ?></a>
</li>
<?php endforeach; ?>
</ul>