customization- tip

on lines 193

around here

<?php if ( $instance['excerpt'] ) : ?>

<?php if ( $instance['readmore'] ) : $linkmore = ' <a href="'.get_permalink().'" class="more-link">'.$excerpt_readmore.'</a>'; else: $linkmore =''; endif; ?>
				<p><?php echo get_the_excerpt() . $linkmore; ?> </p>

add a
so that the link would be separated

here is the new code

<?php if ( $instance['excerpt'] ) : ?>

<?php if ( $instance['readmore'] ) : $linkmore = ' <br><a href="'.get_permalink().'" class="more-link">'.$excerpt_readmore.'</a>'; else: $linkmore =''; endif; ?>
				<p><?php echo get_the_excerpt() . $linkmore; ?> </p>

makes reading the post more easier

http://wordpress.org/extend/plugins/advanced-recent-posts-widget/