I'm using the post thumbnails feature of WordPress and I have several sizes defined in
functions.php. Everything's fine, it works great with Crop Thumbnail to crop them perfectly.
I have a question though regarding the automatic cropping of all images I send to the server. I wish WordPress would only create cropped versions for the images used as post thumbnails. The pictures displayed inside articles should not be cropped, since they're never used outside of the posts, and always at their full size.
Is there a way to do so ? I'd like to reduce the size of my content folder and I'm sure I could gain many bytes by disabling this automatic cropping of every pictures.
One more thing, related to this question : is there a way to delete all unused cropped images ? Over the years, I changed my theme many times and I have many old cropped versions that are unnecessary today. Is there an easy way to delete these ?