"Crop Thumbnails" made it easy to get exacly that specific image-detail you want to show. Crop your images the simple way.
You have access to Crop-Thumbnails on post / page / custom-post-types.
All images attached to this post, will shown in a overlay. You have to choose the one you want to crop.
Choose one or more images (with the same ratio).
Crop-Thumbnails is also integrated in the media library.
Choose what image-sizes should be hidden (for what post-types), for better usability.