When uploading new (or existing) images to the media library in Wordpress 3.6.1 the preview generated on the admin page/edit media page (eg.
is showing one of my custom image sizes defined from my functions file, rather than the default size.
I am using:
add_image_size( 'narrow', 205, 450, true );
In functions.php with
This is an issue because this size is for part of the theme and is cropped so does not show the image as intended.
Question: Why is Wordpress choosing a custom image size on the editor and how can I force it to use a standard image size such as 'medium'.