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.
21
votes
8answers
4k views
User-friendly cropping of post thumbnails?
Is there a way to let my users define the crop area of a post thumbnail? The thumbnails always are existing post attachments, I would rather not create an extra attachment per thumbnail.
The post ...
19
votes
4answers
10k views
Filter to remove image dimension attributes?
I'm working on a site based on a fluid width css template which sets a max-width on images to the width of the column containing them, and I need to remove the inline width and height dimension ...
10
votes
2answers
2k 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 ...
9
votes
9answers
5k views
How to automatically add rounded corners to thumbnails?
I want to created automatically rounded corner thumbnails for a particular project I'm working on, using something like this: ...
8
votes
7answers
18k views
Can I set a default featured image for a category?
I'm setting up a site with a theme that takes advantage of the "featured image" feature of WordPress. Since my end users are not the most tech saavy in the world, I'd like to set things up so that the ...
8
votes
3answers
3k views
How can I make add_image_size() crop from the top?
I have a series of posts, all with featured images, but I need to be able to customise the crop top right corner. In this instance, I need them to be cropped from top right, but it would be useful to ...
8
votes
3answers
2k 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 ...
8
votes
3answers
1k views
What's the best way to use the Featured Image for responsive web design?
I have a brilliant idea and since WordPress already takes care of some of the work, I just need to find a good method to make this work.
I am working on a project that needs to be responsive to all ...
8
votes
5answers
813 views
Minimum Dimensions Requirement for Featured Image?
I am creating a baseball website with multiple Authors. From past experience, no matter how well you know someone personally, it doesn't mean they will follow or even read your instructions.
That ...
7
votes
1answer
511 views
How to disable generation of default image sizes for some custom post types?
I used custom post type, where 'thumbnail', 'medium' and 'large' sized not required. I need to disable this sizes and create function or plugin, where i can set, which image size is required for each ...
6
votes
2answers
3k views
Setting a post's featured image from an embedded YouTube video
If I create a post that has an embedded YouTube video in it (so all I do is paste the YouTube URL into the post and let Wordpress automatically embed it for me), is there a way to have the thumbnail ...
6
votes
4answers
5k views
Auto-retrieve YouTube Image for Thumbnail?
I have a custom post type that accepts a YouTube embed HTML snippet, title, and a featured image. Currently, I'm going and finding an image for the featured image, but ideally I would be able to ...
6
votes
4answers
162 views
How to disable WordPress from creating thumbnails?
I've been looking around the net for a long time on how to disable WordPress from creating multiple thumbnails.
I've seen in most tutorials to set all the images to 0 in the media section. I have ...
6
votes
1answer
813 views
What plugin can I use to create a list / slideshow of featured images?
I'm looking for a plugin that will allow the user to upload files, maybe 4-10 that can be used on the homepage as part of a slideshow. I can code the slideshow part myself, if necessary, but the thing ...
5
votes
3answers
13k views
How do I get image url only on the_post_thumbnail
I want to know how to get image url on the_post_thumbnail()
Default the_post_thumbnail()
<img width="800" height="533" src="http://domain.com/wp-content/uploads/2011/02/book06.jpg" ...
5
votes
1answer
1k views
Programmatically get images by URL and save in uploads folder
I am involved in a large migration from another CMS to WordPress. We have a copy of the database and have worked out how to extract the content and programmatically create WordPress posts from it ...
5
votes
7answers
2k views
Get post thumbnail size
I know how to set the size of an image type:
set_post_thumbnail_size( 150, 150 )
..or using the media settings, but how do I get the image with and image height that have been set for an image ...
5
votes
1answer
158 views
What's the difference between post thumbnails and featured images (if any)?
On the Codex on Post Thumbnails, I see:
Post Thumbnails is a theme feature introduced with Version 2.9. It was quickly changed to Featured Images with Version 3.0. Post Thumbnail, now Featured ...
5
votes
1answer
334 views
is it possible to replace the use of gd_lib with imagick or ImageMagick?
i'm looking around for a solution since weeks and can't make anything work yet. the problem is that my server is running debian/lenny and it's not supporting the bundled gd_lib which i need for ...
5
votes
2answers
150 views
Require featured image
I would like to require a featured image on a site I am developing.
I tried the code here: Make featured image required and nothing happened - the JS showed up in the site header, but I could still ...
5
votes
2answers
255 views
Set custom name for generated thumbnails
Is there any filter available to set the naming convention of those auto generated thumbnails?
Something like this:
thumbnail_150x150.jpg -> thumbnail-s.jpg
thumbnail_300x300.jpg -> ...
5
votes
1answer
1k views
How to Dynamically Resize WordPress Image On-The-Fly (custom field/theme option)
So - at a client's request, I am in need of being able to resize an image not the standard WordPress way... but from an image pulled-in from a theme option. I can't simply use the custom_header area, ...
4
votes
3answers
9k views
How do I set a featured image (thumbnail) by image URL when using wp_insert_post()?
While looking through the function reference entry for wp_insert_post(), I noticed that there's no parameter in the array it requires which will allow me to set the 'Featured Image' for a post, ...
4
votes
4answers
2k views
What is your take: TimThumb vs. WordPress Thumbnails? The great debate [closed]
When it comes to excerpts, do you believe TimThumb or WordPress thumbnails is the way to go? And why? Answers will not be graded (but may be criticized).
4
votes
1answer
4k views
Upload post thumbnail from the front end
We would like users to be able to upload the post thumbnail when editing posts. How would this be done. I would imagine it would make use of the ajax functions of wordpress.
Any ideas,
Marvellous
4
votes
2answers
758 views
Delete original image - keep thumbnail?
I'm using a lot of thumbnails but never the original file. To save space, I'd like to prevent the original from being saved on disk but only keep a thumbnail of 100px. How can I do this?
Thanks,
...
4
votes
2answers
4k views
Multiple featured image thumbnails for post types (Multiple Post Thumbnails plugin)
I found a plugin called Multiple Post Thumbnails and followed the directions in getting it set up. Everything shows up correctly in the admin dashboard (i.e. shows two sections to upload two separate ...
4
votes
1answer
118 views
Move from old custom field to new post_thumbnails
I've just taken over a busy WordPress site that's got ~800 posts so far.
The site's been around long enough that it was started up before post_thumbnails was available. They worked around that ...
4
votes
2answers
625 views
New image size version only for the Featured Image file
I'm worried about too many files created when adding a new image size.
All uploaded files will generate the new size, I need a specific image size only for the file set as Fetured image, is there ...
4
votes
1answer
304 views
Re-order media links?
I'm trying to re-order the links in the media box when selecting an image. I want to move "Use as featured image" above the insert into post button.
I also want to rename the "Use as featured image" ...
4
votes
1answer
387 views
How to add multiple image sizes of the same size with add_image_size
I'm using a grayscale filter on all uploaded images in my WordPress installation. However I want both the gray scaled image and the colored image in my website (colored on hover). The way I tried to ...
4
votes
1answer
526 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 ???
3
votes
3answers
4k views
Stop wordpress from hardcoding img width and height attributes
I'm wondering if there's a simple way top stop WordPress automatically hardcoding featured image height and width attributes, other than using regex...
As I'm using a flexible grid for my project ...
3
votes
2answers
2k views
Display Post Thumbnail Without Being Featured Image
I'm hoping that I can explain what I'm going for here.
On my current project's main page, I'm displaying each post's Featured Image Thumb, along with an excerpt of the post's content.
In each of the ...
3
votes
3answers
443 views
Any easy way to automatically set the first inline image in a post as the thumbnail?
Is there a plugin for this? Has anyone done it before?
3
votes
2answers
3k views
How do I regenerate thumbnails?
I just got a new theme and am trying to regenerate thumbnails. I'm having trouble though. I tried using the AJAX Thumbnail Rebuilder but for 5 hours it just said reading attachments. Then I tried the ...
3
votes
2answers
2k views
Using add_theme_support inside a plugin
I've created a custom post type as a plugin and released it into the repository. One of the core features involves using a featured image. I've added thumbnail to $supports in register_post_type(), so ...
3
votes
3answers
2k views
set_post_thumbnail_size in percent, not pixels?
I've created a new custom post type and I need the post thumbnails or featured images generated by the get_the_post_thumbnail() function to be set in percent, rather than pixels, as I'm using a fluid ...
3
votes
3answers
2k views
Black and White thumbnails
There are ways to convert color image to black and white on the client side with javascript. However, it won't work in all browsers and it's slow.
Is there a way to convert Wordpress post-thumbnails ...
3
votes
2answers
257 views
PHP/Manual use of images? - 2 Questions
I've made a quick PHP script/page that uses the wp_insert_post() function to insert a post directly. And this works great. The post I am manually adding has an image in it, so I firstly ...
3
votes
1answer
2k views
Set post-thumbnail (with php)?
A site I have inherited uses custom fields to set a path for thumbnails. Ideally I'd like to switch this over to use the built in post-thumbnail. Is there a way to procedurally set the post-thumbnail?
...
3
votes
2answers
2k views
Horizontal scroller with post_thumbnail's
Attempting to create a horizontal scroller using post_thumbnail's.
I've made a filterable portfolio section using this tutorial: http://www.wearepixel8.com/blog/filterable-portfolio but my attempts ...
3
votes
1answer
595 views
How can I add a set featured image function to a theme that doesn't already have it built in?
I'm a relative newbie to WP and PHP in general, but now that I'm into it, I've caught the "WP fever" and have ditched asp.net.
I finally found a quality theme that I like and I'm considering buying ...
3
votes
2answers
774 views
How to display the_post_thumbnail if a post has one or otherwise display the first image in a post?
I would like to create a condition that checks to see if a post has a thumbail and if it does display it, otherwise display the first image in a post.
I tried something like this in my loop.php but ...
3
votes
2answers
311 views
Add Image Dimensions to Media Library Tab on Media Upoader
I would like to add the dimensions of each image to the media library tab in the media uploader.
I have a multi-author website, where I require users to add a featured image with minimum dimensions. ...
3
votes
1answer
2k views
how do I determine which image is the featured image in the database
I've queried all children of the post, and two records are shown. This is ok because there are 2 images in the gallery, but I can see no field in the database which makes it clear which one is the ...
3
votes
1answer
1k views
media_sideload_image generates blank?
I'm creating a custom post form that is supposed to take an external image and uploads it to the media library and attach it to that post. This should be possible by using media_sideload_image, but ...
3
votes
1answer
2k views
How to get featured image's width and use elsewhere in template?
I'm wondering if it's possible in the single.php template to use the width of the post's featured image elsewhere in the page.
What I'm trying to do is add a div element on the page with the same ...
3
votes
1answer
873 views
How can I add the “Use as featured image” to a custom metabox?
I am implementing a custom Meta box that allows the user to add images via a simple file input field (based around code on this site: Meta Box Script). This code allows multiple images to be added as ...
3
votes
2answers
399 views
how to test for attached image
I am trying to find out whether or not a post has images. If it does, I then want to know if a featured image was specified for the thumbnail - if not, the get_thumb() function will assign an image ...
