No 4. Widgets
Playing with widgets is probably the easiest and best way to customize and personalize you WordPress theme. Apart from many built-in widgets, there are thousands of free widget available online. If you use a theme that isn’t widgetized try this link.
No 3. Page navigation customization
Most themes display all of your pages across the top of your site, perhaps with drop-down menus for hierarchical navigation but what if you would like to exclude a page or pages from the navigation tree? Here is a code for this very purpose, find the following line of code first:
<?php wp_list_pages(); ?>
And change it to:
<?php wp_list_pages(‘exclude=5?); ?>
‘exclude=5’ means that the page with ID 5 will be excluded and needless to say, you can change it to anything you want.