display display something certain page

<div class="sidebars sidebarright">   
       <div class="sidebar2">  
  <?php if (is_page('contact-us')) { ?> 
 <?php echo do_shortcode('[singlepic id=97]'); ?>
<?php } else { ?>            
    <?php if ( !function_exists('dynamic_sidebar') || !dynamic_sidebar('Wide Sidebar') ) : ?> 
             <div class="block">        
          <h3>This is the wide sidebar</h3>      
            <p>This is a great spot to put some information or a promotion. Use a "Text" widget in your
 "Wide Sidebar" sibebar options in Wordpress. Whatever you put in the title will show above
 and whatever you put as text (or html) will show right here!</p>        
          <p>There are a total of 7 widget areas: Wide, Left and Right sidebars, along with footer widgets 
Footer1, Footer2, Footer3 and Footer4..</p>    
          </div>      
          <?php endif; ?> 
 <?php } ?>
</div>

Highlighting in main Nav using is_page

<ul id="nav" role="navigation">    <li<?php if ( is_page('home')  )
{ echo ' class="current"'; } ?>><a href="/">Home</a></li>
 <li<?php if ( is_page('about') ) { echo ' class="current"'; } ?>><a href="/about/">About</a></li>
<li<?php if ( is_page('work') ) { echo ' class="current"'; } ?>><a href="/work/">Work</a></li>
<li<?php if ( is_page('blog') ) { echo ' class="current"'; } ?>><a href="/blog/">Blog</a></li>
 <li<?php if ( is_page('contact') ) { echo ' class="current"'; } ?>><a href="/contact/">Contact</a></li>
 </ul>


<?php if (is_category('News')) : else :
 if (is_page('Cakes') || is_category('')) {
 echo 'id="selected"' 
}
 endif; ?>