Could Someone Please Help me with Infinite Scroll WP Plugin?

<?php get_header(); ?>

<div id="content">
				<?php
				$current_page = get_query_var('paged');
				$hide_carousel = ( $current_page && isset($theme_options['lightly_homepage_headline_slider_hide']) && $theme_options['lightly_homepage_headline_slider_hide']);
				if ( $theme_options['lightly_homepage_headline_slider'] && !($hide_carousel) ) {
					if ( isset($theme_options['lightly_headline_posts_categories']) && $theme_options['lightly_headline_posts_categories'] ) $cats = implode(',', $theme_options['lightly_headline_posts_categories'] );
					else $cats = '';
					$args = array('cat' => $cats, 'showposts' => $theme_options['lightly_headline_posts_number'] );
				?>	



<div id="headline-carousel">
                	<?php
					plus62_custom_loop_posts( $args ,$theme_options['lightly_headline_posts_title'] );
					?>
</div>

<?php } ?>



<div id="main" role="main">
						
						<h4 class="widgettitle"><span>Recent Posts</span></h4>
						<?php if (have_posts()) : $i = 1; while ( have_posts() ) : the_post(); ?>

<div id="post">
								<?php if (has_post_thumbnail()): ?>
								<a href="<?php the_permalink(); ?>" title="<?php the_title(); ?>" class="home-thumb"><?php the_post_thumbnail('thumb-300'); ?></a>
								
								<?php endif; ?>




							<header>
<h2 class="post-title"><a href="<?php the_permalink() ?>" rel="bookmark" title="<?php the_title_attribute(); ?>"><?php the_title(); ?></a></h2>

<p class="meta"> <time datetime="<?php echo the_time('Y-m-d'); ?>"><?php the_time('m/d/Y'); ?></time>, <?php the_author_posts_link(); ?></p>
							</header> <!-- end article header -->



							<section class="post_content clearfix">
								<?php the_excerpt(); ?>
								<p class="read-more"><a href="<?php the_permalink() ?>"><?php _e('Read Post &rarr;', 'plus62'); ?></a></p>
							</section> <!-- end article section -->							
						
						</div> <!-- end article -->
						
						
						<?php endwhile; ?>	
						
						<?php 
							if (function_exists('plus62_pagenavi')) { 
									plus62_pagenavi();
							} else { // if it is disabled, display regular wp prev & next links ?>

							<nav class="wp-prev-next">
								<ul class="clearfix">
									<li class="prev-link"><?php next_posts_link(__('&laquo; Older Entries', 'plus62')) ?></li>
									<li class="next-link"><?php previous_posts_link(__('Newer Entries &raquo;', 'plus62')) ?></li>
								</ul>
							</nav>
						<?php } ?>		
						
						<?php else : ?>
						
						<article id="post-not-found">
						    <header>
						    	<h1>Not Found</h1>
						    </header>
						    <section class="post_content">
						    	<p>Sorry, but the requested resource was not found on this site.</p>
						    </section>
						    <footer>
						    </footer>
						</article>
						
						<?php endif; ?>
					
					</div> <!-- end #main -->
				
					
				
    
			</div> <!-- end #content -->

<?php get_footer(); ?>