It is possible to re-size images on the fly if you are comfortable programming in PHP. Judging from your question, I expect that your not there yet. If that is the case, you should check out the Regenerate Thumbnails plugin. With this plugin, you can change the images sizes you want in the media settings … Read more
get_posts fetches an array of WP_Post objects (see the return values of get_post for a complete list of object properties). In your above code snippet, you are iterating over said array with a foreach loop. Inside it, you are currently attempting to use a non-existent method ( post_thumbnail() ) of those objects. Instead, make use … Read more
Best practice would be to implement your own post_thumbnails. Then, add those sizes as options in the Add Media dialog. Here is a nice write up on that.
How to create resized versions of images added with wp_insert_attachment
I use the plugin Simple Image Sizes. If you do not want to use a plugin you have to use the function add_image_size
Retrieve image from content, assign it as a featured, and then remove it from the content
wp_get_attachment_image_src match smallest edge
Featured images disappear after DB export/import?
I know it’s a bit late, but I’m having the same problem and looking for a solution. This other question seems to describe the same problem, and the solution is that maybe the needed image libraries (GD or ImageMagick) are not included by the server configuration. That was the case for me. I hope this … Read more
its tough to find a good solution to this but you need a custom meta box for file uploads: here is a post that walks you through this and he gives you a meta box class that can handle multiple image uploads. Make sure you also read part two, and dig around in the code … Read more