WordPressに複数サイズのアイキャッチ画像を設定させる
//アイキャッチ画像を設定 add_theme_support('post-thumbnails'); set_post_thumbnail_size(510, 9999); add_image_size('thumb336',336,252,true); add_image_size('thumb250',250,250,true); add_image_size('thumb150',150,150,true); add_image_size('thumb120',120,120,true); add_image_size('thumb80',80,80,true);