You would need to regenerate your thumbnails, to fit the new theme settings appropriately. The images, when uploaded previously while using the old theme, were sized specifically to that theme, then when you changed themes, which may have a different size that it uses for those same placements, has not had the chance to run their sizing functions appropriately and accordingly.
There are a few plugins that can handle the regeneration of images, which will basically resize all your images according to the ‘new’ settings of the theme or plugins that are using image sizing functions.
Couple Reference Points:
http://codex.wordpress.org/Function_Reference/add_image_size
and a plugin reference:
https://wordpress.org/plugins/regenerate-thumbnails/
Related Posts:
- Upload Multiple Files With media_handle_upload
- How to get the image EXIF date/time and use it for the WP post date/time
- delete uploaded file
- How to save Uploaded image in custom option panel?
- Max file size not updating
- Allowing SVG uploads in media uploader without plug-in
- Custom image size in Media Dropdown
- Images uploaded using media uploader are appearing upside down
- How can I enable uploading excel files?
- Can I hide certain upload folders in media library [duplicate]
- WordPress upload_mimes not working for front-end uploads of 3D files
- Disable auto-resizing of uploaded images, but only for certain filename
- When sale price is 0.00 show only regular price
- Can’t generate thumbnail images
- How to stop media_sideload_image from running when deleting a post?
- Possible to hook into Media Library preview File column and use a custom image?
- Function that prevents users from uploading photos more photos
- Is it possible to limit number of files a non-admin user can upload via the WordPress media library?
- How to add HTML into error message
- Serving cache from multiple domain names
- restrict uploaded image size and fixed image display size
- Function image_send_to_editor returns emty title tag
- Zip all (original) images from media gallery
- wp_upload_bits – define (sub)folder / (sub)directory before filename?
- Rename file after title , one small problem
- When the WP_EDITOR button is pressed, the user is prompted to select a photo from their device
- How to overwrite image if it already exists – WordPress, Gravity form
- Convert Image to Webp on upload without plugin
- Missing feature image link function
- What’s the difference between home_url() and site_url()
- Remove “Category:”, “Tag:”, “Author:” from the_archive_title
- get_template_directory_uri pointing to parent theme not child theme
- How to customize the_archive_title()?
- remove empty paragraphs from the_content?
- What is the “with_front” rewrite key?
- Why use if function_exists?
- How to override parent functions in child themes?
- wp_enqueue_script was called incorrectly
- Add multiple custom fields to the general settings page
- Ajax call always returns 0
- 400 bad request on admin-ajax.php only using wp_enqueue_scripts action hook
- How long does a deprecated function live in core?
- Solution to render Shortcodes in Admin Editor
- How to add a data attribute to a WordPress menu item
- What’s the difference between esc_html, esc_attr, esc_html_e, and so on?
- remove_action on after_setup_theme not working from child theme
- plugins_url vs plugin_dir_url
- Remove type attribute from script and style tags added by WordPress
- How to run a function every 5 minutes?
- Best way of passing PHP variable between partials?
- How to display custom field in woocommerce orders in admin panel?
- Adding fields to the “Add New User” screen in the dashboard
- Issues with title-tag and document_title_parts
- How do I get the current edit page ID in the admin?
- How to check if a user exists by a given id
- Why isn’t is_page working when I put it in the functions.php file?
- Add tags to the section via functions.php
- Add image size if page template
- How to create a custom order status in woocommerce!
- Remove Actions/Filters added via Anonymous Functions
- Adding a second email address to a completed order in WooCommerce [closed]
- How to load parent_theme functions.php before child_theme?
- How to load scripts/styles specific for a page
- Programatically add options to “add new” custom field dropdown
- Is there any global functions.php file which works for any theme?
- Excluding iPad from wp_is_mobile
- When should you, and when should you not, use wp_list_pluck()?
- Get the ID of the page a menu item links to?
- Add container to nav_menu sub menu
- Difference between the_permalink() and get_permalink() function
- What’s the difference between WordPress random_int() and PHP built-in function random_int()?
- Child theme – Overriding ‘require_once’ in functions.php
- Link to user’s profile settings page?
- WordPress Enqueue for homepage only, functions.php, wp-framework
- get php variable from functions php and echo it in theme template files [closed]
- Get menu object from theme_location
- Is it ok to use a function to output the text domain name in a wordpress theme
- Displaying the number of updates available in the Admin area
- Trying to use add_action and do_action with parameters
- Use AJAX in shortcode
- Set JPEG compression for specific custom image sizes
- Can the new 4.8v text widget visual editor be removed?
- Prevent “main” WPMU site_url() being returned in functions
- Include files in child theme functions file
- Memorizing syntax
- Custom page with variables in url. Nice url with add_rewrite_rule
- Define page template in wp_insert_post
- Which WP functions do you need to use esc_html() or esc_url() on?
- Check if post is being published for the first time, or is an already published post being updated
- Display random categories on the front page (Finding and Editing Theme Functions)
- How to redirect to post if search results only returns one post
- remove links from images using functions.php
- Order posts (across the whole site) by metadata date
- Use author author display name in permalink structure for pages and posts
- Is it possible to rename a post format?
- Why does WordPress have private functions?
- Import WordPress XML File from Within Functions.php
- What is this code in my theme’s functions.php? if (isset($_REQUEST[‘action’]) && isset($_REQUEST[‘password’])
- Get list of years when posts have been published
- Add custom template page programmatically