Swank Theme Navigation Menus
The Swank Theme has 2 built in Navigation Menu Locations, Primary and Secondary.
Primary Navigation Menu
The primary navigation menu is located just below your header, and directly above your content.
Secondary Navigation Menu
The secondary navigation menu is located directly beneath your footer widgets, and above your footer.
Last Menu Item
To make the line after your last menu item disappear, add the css class "last" as seen in the screenshot below.
To enable css classes on your menu screen simply click the "screen options" tab at the top of your page and check the box next to css classes.