the_post_thumbnail

I replaced the timthumb script to generate article thumbnails with the native function the_post_thumbnail().

It seems to work fine, except for the fact that in some cases it display the correct resized image inserted in the featured image field of the post, in many other it put the original image forcing width and height in the tag img, although the resized correct thumbnail exists!

I hope I was clear enough. The site is https://www.italiantraditionalrecipes.com