Views Exposed Filters - position each filter independently
you can add more functionalities to Exposed Filters forms, or control his style/layout, touching template views-exposed-form.tpl.php. try this resource http://drupal.org/node/320992 or this http://ykyuen.wordpress.com/2011/07/25/drupal-theme-the-exposed-filter-in-views/ to see guides about how to implement it.