Probably the easiest way is to create your own recent message widget with one of the Otto php code widgets http://wordpress.org/extend/plugins/php-code-widget/ and a new request:
<?php $my_query = new WP_Query('category_name=mycategory&showposts=1'); ?> <?php while ($my_query->have_posts()) : $my_query->the_post(); ?> <a href="<?php the_permalink() ?>" title="<?php the_title(); ?>"> <?php the_title(); ?></a> <?php endwhile; ?>
Customize it the way you want. The new query loop will not conflict with the main WP loop and any amount of time can be used.
markratledge
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