Append 'Read More' to the end of the_excerpt()

This snippet, when added to your theme's functions.php file, will allow you to append '... Read More' or any other text to the end of your excerpts. Creates a more streamlined look.

[php]
function excerpt_readmore($more) {
return '... <a href="'. get_permalink($post->ID) . '" class="readmore">' . 'Read More' . '</a>';
}
add_filter('excerpt_more', 'excerpt_readmore');
[/php]

Source: WPSnipp.com