Adding a custom image upload size and making it selected by default?
There are a few steps to this, as I found out today. First, you add a custom image size (you can put this somewhere the functions.php file in your theme): add_theme_support( ‘post-thumbnails’ ); add_image_size( ‘my-size’, 550, 550 ); // not sure what you want your height to // be, but this’ll shrink it to 550px … Read more