New function/template tag nm_list_recent_by_tag
Displays a list of recent posts that have a given tag. (original idea by @vincenzo; code rewritten from scratch)
Examples:
<?php nm_list_recent_by_tag('beer'); ?>
Shows n latest posts with tag beer (n as defined in News Manager settings)
<?php nm_list_recent_by_tag('wine', 5); ?>
Shows 5 latest posts with tag wine