Post Thumbnail is a theme feature introduced with Version 2.9. Thumbnail is an image that is chosen as the representative image for Posts, Pages or Custom Post Types.

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11
votes
4answers
3k views

add_image_size() for specific Post Types

set_post_thumbnail_size( 80, 80, true ); // true for all post types Suppose I have two post types in play on my blog: Post, Video and Product. I may want a 80x80 image size for my posts, but 100x100 ...
-1
votes
2answers
221 views

Change featured thumbnail based on screen size

My theme has the option( like any other theme I guess) to chose a predefined featured image size( thumbnail, medium ...etc). I chose the image to be thumbnail, made it 150x150 in media settings but my ...
0
votes
1answer
250 views

Get last post in category thumbnail

I want make a button to filter posts from a specific category, But also i would like this button to display the featured image of the latest post in that category. I'm completly new to php and ...
0
votes
1answer
17 views

Adding in support thumbnail removes editor

I have created a custom post type. And on the custom post type I would like to have a featured image. I have added the featured image to my custom posts however when I do this it removes the main text ...
0
votes
1answer
698 views

Featured Image Thumbnail Sizing

The image on the left is what it is currently looking like. I used developer tools to change the width & height of all the image fields for the image on the right, however I would like some sort ...
0
votes
1answer
112 views

Always generate thumbnail after sideloading image

I'm sideloading an image into wordpress from youtube. it works fine and the key part of the code is: // sideload it into wordpress (generates various sizes) $thumbid = media_handle_sideload( ...
5
votes
2answers
948 views

Prevent publishing the post before setting a featured image?

As the title says , I want a plugin/function to prevent/inform the user when he tries to publish the post without setting the featured image. ANY HELP ???
0
votes
1answer
55 views

Featured image with link to post shortcode, image displaying above the post

I have created a shortcode to display the featured image linking to the post: function ck13_post_image($atts){ extract(shortcode_atts(array( 'ck_img_size' => 'full' ), $atts)); ...
0
votes
3answers
1k views

Add Image Size for Featured Image with Responsive Design

So, I know that I can make a custom featured-image size by adding this to my functions.php file: add_image_size('newsize', 883, 300, true); and calling it with: the_post_thumbnail('newsize'); ...
0
votes
3answers
1k views

the_post_thumbnail scaling not hard cropping

Lately I wanted to upgrade my blog with featured images/post thumbnails. I'm using a custom theme build on the roots theme (this is not a roots theme issue, I believe). The image I upload is 1024x768 ...
2
votes
1answer
126 views

Converting Attachment to Images?

I've had no problem using lightboxes before with attachment images, but I've switched to a new theme called Quicknote and it seems that attachment images now instead link to the attachment page. ...
10
votes
2answers
3k views

How to retrieve image from URL and set as featured image/post thumbnail

Given a Vimeo ID, I can retrieve a thumbnail from the video via Vimeo Simple API. Rather than call the API every time my page loads I want to set the image as the post thumbnail using the save_post ...
1
vote
1answer
559 views

Change post thumbnail using front end post edit form

I'm trying to get the post thumbnail to change if a user selects a new file on a front end post edit screen. This is similar to the code I use to upload data and set the post thumbnail on a front end ...
0
votes
1answer
159 views

WordPress not creating “large” thumbnails

I moved my WordPress installation from my local dev environment (MAMP) to a shared hosting server. Since then I have trouble with image uploads not being processes as before, especially with the large ...
1
vote
4answers
1k views

offload media to external services

Does anyone know a way (plugins or similar) to offload media (images mostly) in wordpress to an external service? like flicker, or imageshak? I think that offloading images from the wordpress ...
0
votes
1answer
168 views

Featured Image not showing on wordpress hosted under Amazon AWS

I created a wordpress website on Amazon AWS. I also installed the same theme on wordpress hosted under Bluehost. The problem with wordpress hosted under amazon is that it doesn't show the featured ...
1
vote
1answer
191 views

Get ID of featured image using “get_post_thumbnail_id(the_ID())” - without printing to screen?

I'm using the code: get_post_thumbnail_id(the_ID()) to get the ID of a post thumbnail image, but whenever I call this it outputs the ID to screen. I just want to get the value to use in another ...
1
vote
1answer
7k views

wp_get_attachment_image_src() and custom sizes

As said in this page, wp_get_attachment_image_src()only accepts built-in sizes such as thumbnail, medium, large or full. How do you get the same return value with custom sizes you add with ...
1
vote
1answer
154 views

Can't seem to attach uploaded image to post and set it as thumbnail

I'm using this code to submit a post form and upload an image which I want as the post thumbnail. Everything submits perfectly and the image even uploads but I can't seem to figure out how to attach ...
0
votes
2answers
2k views

Using global $post; to get featured image for custom post via WP_Query

I'm using a site-wide function to add css to the <head> of the page pull in featured images of various as a responsive page background. It works great across the rest of my site but fails on a ...
0
votes
3answers
3k views

How can I get a different image size, if all I have is the link?

For various reasons, I can't use Wordpress' built-in Thumbnail functionality. What I want to do instead is to use the first image in the post as the thumbnail. Here's what I found in the codex: Show ...
0
votes
0answers
485 views

Fetching full size featured image to insert in RSS Feed

I am trying to fetch a full size Featured Image (or first image) of the post to appear within my RSS feed. See here I am using the following code function firstImg( $post ) { $matches = array(); ...
4
votes
2answers
989 views

Cropped featured image replaces original image in gallery

Firstly, I have done my research as thoroughly as I possibly can. Searches have been made, but I have not found any advice or solution as to my exact issue. Ok, time to explain. Currently I am ...
0
votes
0answers
49 views

Worse thumbnail quality after GD library install

Last week I had to install the GD library on my server to enable thumbnail resizing for a premium theme. After installing the GD library on the server the image quality of newly added thumbnails for ...
0
votes
1answer
280 views

Wordpress get_categories & listing recent post thumbnail

I'm trying to get a page to list all the child categories and then display their name and a thumbnail from the most recent post in that category. This is the following code I've got, it appears to be ...
0
votes
0answers
113 views

how to change featured image path according to “alt” property

when a featured image is added, the path for this image is http://domain.com/wp-content/uploads/filename for some featured image i would like to use only "filename" in the path do you know how to ...
0
votes
0answers
103 views

Problem with Featured Image and database

I have an issue with with WordPress install which I just haven't been able to resolve... I have tried disabling all plugins and reverting back to default theme, but the problem remains. The issue is ...
0
votes
3answers
7k views

Thumbnail Cropping with add_image_size?

I want my thumbnails on a particular page to be 300px × 100px, exactly. Currently, images shrink until they hit the 300 pixel or 100 pixel mark. How do I get the image to crop to exactly 300 ...
0
votes
2answers
432 views

Meteor Slides as header only for homepage and Use featured image of each page as header for respective pages

I am using meteor-slides plugin to make header as a slideshow. I am using twenty-eleven theme. Now i need to make this slideshow for my homepage only and featured images of other pages as headers for ...
0
votes
1answer
102 views

How to check if single.php has already called the_post_thumbnail function

I am creating a front end plugin to upload images and adding filter in the_content() to display post thumbnail but some templates already have the_post_thumbnail in single.php or loop.php. Is there ...
0
votes
1answer
253 views

How to import linked images and make them featured -> automagically

I am using FeedWordPress to syndicate articles from RSS feeds. The plugin does a beautiful job of bringing in the content, preserving original formatting, and assigning metadata to the right places. ...
1
vote
1answer
1k views

set_post_thumbnail_size not cropping featured images, but reducing proportionally

In my function file, I set the following: if ( function_exists( 'add_theme_support' ) ) { add_theme_support( 'post-thumbnails' ); set_post_thumbnail_size( 150, 50, true ); } And in the ...
0
votes
1answer
77 views

Admin - no Featured image choice in create new/page|post

I am developing a WP theme and I wanted to add a thumbnail/featured image to a new page/post but there is no such option/choice - like it used to be, I am using WP 3.8.1, I did try to turn off all the ...
2
votes
3answers
2k views

the_post_thumbnail fallback using hooks

I am using this big theme that is almost entirely relying on widgets and sliders. Now I trying to avoid looking for post_thumbnail output code in all the included files in order to achieve fallback ...
0
votes
1answer
42 views

Thumbnail of the latest posts page

I have a page "Blog" and it's set to display latest posts. This page itself has a thumbnail, and I want it to be displayed in header. Every other page/post has same layout and thumbnail shows in ...
5
votes
3answers
1k views

Set Featured Image for Archive templates

I'm want to set a featured image for the archive templates of my theme. To my knowledge, there is not a way to do so in the WordPress Admin (like Pages and Posts). I was thinking about writing a ...
0
votes
0answers
41 views

problem with blank page

i have a real big problem with my wordpress website functions.php when i put the following code to achive post view and thumbnail. i'm getting the blank page error which when i publish or update a ...
0
votes
1answer
289 views

Use wp_remote_get to add image to media library

I'm using Embedly to make it easy for a client to add news to their website - basically, they just input a URL, and Embedly grabs the link's information, and I add it all to post meta for displaying ...
4
votes
2answers
408 views

Differentiate Featured Image from Post Images upon Upload

I want to differentiate the featured image from post images. The plan is to give the Featured Image multiple sizes, but the images inside / connected to the post only needs the default sizes. I ...
1
vote
1answer
122 views

how to both crop (with tool) and resize thumbnails having only a max width constrain?

I can't found my very problem in other threads. I'll try to explain: want to use thumbnails MAX 400px width. That means that CAN be 400px, but not always they should be 400px width. They can be even ...
1
vote
0answers
69 views

Setup Featured image on all posts from thesis thesis_post_image custom field?

I moved from thesis to other wp theme and i want to change the thesis post images (these are saved under thesis_post_image in database )as featured images. Site have over 1000+ posts. Is there a way ...
0
votes
1answer
300 views

Is it possible to get local image URL when also having photon active?

So I am using Photon, and it has helped increased my loading speed. While this is great, I am now facing a CORS error, since I am using blur.js to blur the background image of my single posts. The ...
0
votes
1answer
49 views

Is wordpress compressing my images? if so, how to prevent it?

I am using 'featured image' fields in my post and the images are sized and compressed already but whenever I upload an image that has some text, I keep noticing the image reduced in quality ...
0
votes
0answers
46 views

Featured Images stopped working with Sliding Door theme

And that's the whole point of the Sliding Door theme. It still seems to still be working for me in my main browser that I use, but when I open a different browser or have people check from other ...
1
vote
0answers
1k views

Set featured image from external URL

I have been searching high and low for a work-around to set a featured image from an external URL. I understand by default the image must be on my server to get re-sized and displayed. Essentially I ...
0
votes
2answers
743 views

Post thumbnail outside of loop

I'm trying to show a post thumbnail outside of the loop. The reason for this is that i want the featured image to show inside a custom page template, which will set the header image for the particular ...
0
votes
1answer
778 views

Three Questions with Twenty Eleven theme

I have a few things that I need help with in Twenty Eleven. The logo I put in the header is resized to 578px by 160px, when it is supposed to be 326px by 90px. I would like to simply the php code ...
1
vote
1answer
885 views

set a chosen image-file-input as a featured image from wp frontend

SCENARIO : I allow to create posts from front-end. The form also has four image upload fields. I use the code pasted below for image attachments and setting the post thumbnail. //insert attachments ...
0
votes
1answer
20 views

How do I get resized thumbnails?

I'm getting post thumbnails by calling the_post_thumbnail(array(400,300), true); However, this displays the fullsize featured image, just resized with the html "height" and "width" tags. This is not ...
0
votes
0answers
634 views

Set thumbnail from URL, by grabbing image in functions.php

So I've written a whole bunch of functions, which are used to display Vine videos. I then have a shortcode which outputs the code. The last thing I have to do is set the post thumbnail. I want to be ...