Add page

<?php include(TEMPLATEPATH."/newproducts.php");?>
<?php wp_list_pages('exclude=3,8,12,18,19,20,21,22,23&title_li=' ); ?>

show particular page in home page

<?php  // retrieve one post with an ID of 5  query_posts('p=5');
        global $more;  // set $more to 0 in order to only get the first part of the post  $more = 0; 
  // the Loop  while (have_posts()) : the_post(); 
  // the content of the post    the_content('Read the full post »');
 endwhile;  ?>  

How to show post from a particular category widget

<?php $my_query = new WP_Query('category_name=mycategory&showposts=1'); ?>
<?php while ($my_query->have_posts()) : $my_query->the_post(); ?>
<a href="<?php the_permalink() ?>" title="<?php the_title(); ?>">
<?php the_title(); ?></a><br /><?php the_content(); ?><?php endwhile; ?>

===================================

<?php      $args=array(        'cat' => 1,        'posts_per_page'=>5,        'caller_get_posts'=>1      ); 
   $my_query = new WP_Query($args);      if( $my_query->have_posts() ) {  

    echo '5 recent Posts from category 1';        while ($my_query->have_posts()) : $my_query->the_post(); ?> 
       <p><a href="<?php the_permalink() ?>" rel="bookmark" title="Permanent Link to <?php the_title_attribute(); ?>">
<?php the_title(); ?></a></p>     
  <?php        endwhile;      } //if ($my_query)    wp_reset_query();
// Restore global post data stomped by the_post().  ?>

Create a Widget Function Wordpress

Create a Widget Function

Paste this code to the theme

<?php if ( function_exists('dynamic_sidebar') && dynamic_sidebar('photos') ) : else : ?>

----------------
---------------

<?php endif; ?>

Add the to the functions.php

<?php

if ( function_exists('register_sidebar') )

register_sidebar(array(

'name' => 'photos',

'before_widget' => '<div id="%1$s" class="widget">',

'after_widget' => '</div>',

'before_title' => '<h2 class="sidebartitle">',

'after_title' => '</h2>',

));

?>

Get 5 new posts for my homepage Wordpress

you could just paste this into your template:

<div class="recent-five-posts">

<?php query_posts("orderby=desc&showposts=5"); ?>

<?php while (have_posts()) : the_post(); ?>

<div class="individual-posts">

<h3><a href="<?php the_permalink() ?>" rel="bookmark" title="Permanent Link to <?php the_title(); ?>">Read More</a></h3>

<?php the_excerpt(); ?>

</div>

<?php endwhile; ?>

</div>