what is the address of default home page?

Settings > Reading, set a page as your blog page and the URL will be that page’s URL. Please note that depending on your theme it may not use the same template as your previous front page. You will need to talk to the theme author if that’s a problem.

Blog replace single post page featured image

Try with uploading the bigger size image and then call it based on the requirement : the_post_thumbnail( ‘thumbnail’ ); // Thumbnail (150 x 150 hard cropped) the_post_thumbnail( ‘medium’ ); // Medium resolution (300 x 300 max height 300px) the_post_thumbnail( ‘medium_large’ ); // Medium Large (added in WP 4.4) resolution (768 x 0 infinite height) the_post_thumbnail( … Read more

Post Image Gallery After Content Function messes with other content

Move is_single() condition to be inside the function, and you have to return the original content if the condition isn’t satisfied. Your code will look like this: add_filter(‘the_content’, ‘add_content_after’); function add_content_after($content) { global $post; if ( is_single() ) { if ( $post->post_status == ‘publish’ ) { $attachments = get_posts( array( ‘post_type’ => ‘attachment’, ‘posts_per_page’ => … Read more