put this code in functions.ph
define('IMAGES',get_stylesheet_directory_uri().'/img');
where img is the directory where the images for the flags are present
<?php
get_header();
$queried_object = get_queried_object();
$term = $queried_object->name;
switch ($term) {
case "china":
echo '<img src="https://wordpress.stackexchange.com/questions/194142/<?php echo IMAGES; ?>/china.jpg">';
break;
case "russia":
echo '<img src=" <?php echo IMAGES; ?>/russia.jpg">';
break;
case "india":
echo '<img src=" <?php echo IMAGES; ?>/india.jpg">';
break;
}
echo '
<div class="title-head"><h1>'.$term.'</h1></div>
<div class="blog-fixed">';
$page_layout = page_sidebar_layout();
switch ($page_layout) {
case "sidebar-left":
echo '
<div id="blog-right">';
break;
case "sidebar-full":
echo '
<div id="blog-full">';
break;
case "sidebar-right":
echo '
<div id="blog-left">';
break;
}
if (have_posts())
while (have_posts()):
the_post();
$image_id = get_post_thumbnail_id($post->ID);
$cover = wp_get_attachment_image_src($image_id, 'short-one');
$no_cover = get_template_directory_uri();
$author = get_the_author_meta('ID');
echo '
<div class="bl2page-archive">';
echo '
<div class="bl2page-cover">';
if ($image_id) {
echo '
<a href="' . get_permalink() . '"><img src="' . $cover[0] . '" alt="' . get_the_title() . '" /></a>';
} else {
echo '
<a href="' . get_permalink() . '"><img src="' . $no_cover . '/images/no-cover/short-one.png" alt="no-cover" /></a>';
}
echo '
<div class="comment-bubble">
<span class="comment-count">' . get_comments_number() . '</span>
</div>
</div>';
echo '
<h2 class="bl2page-title"><a href="' . get_permalink() . '" rel="bookmark">' . get_the_title($post->ID) . '</a></h2>
<div class="bl2page-info">' . get_the_time('F jS, Y') . ' | by <a href="' . get_author_posts_url($author) . '">' . get_the_author() . '</a> </div>';
echo '' . get_excerpt(230) . '';
echo '
</div>';
endwhile;
if (function_exists("pagination_wz")) {
pagination_wz();
}
echo '
</div><!-- end .blog(left&full&right) -->
';
switch ($page_layout) {
case "sidebar-left":
echo '
<div id="sidebar-left">';
wz_setSection('zone-sidebar');
if (!function_exists('dynamic_sidebar') || !dynamic_sidebar('sidebar-page'));
echo '
</div><!-- end .sidebar-left -->';
break;
case "sidebar-full":
echo '
<div id="sidebar-right">';
wz_setSection('zone-sidebar');
if (!function_exists('dynamic_sidebar') || !dynamic_sidebar('sidebar-page'));
echo '
</div><!-- end .sidebar-right -->';
break;
case "sidebar-right":
echo '
<div id="sidebar-right">';
wz_setSection('zone-sidebar');
if (!function_exists('dynamic_sidebar') || !dynamic_sidebar('sidebar-page'));
echo '
</div><!-- end .sidebar-right -->';
break;
}
echo '
</div><!-- end .blog-fixed -->';
get_footer();
?>