The TimThumb is one of the most popular resizing web images script, a lot WordPress themes use this simple easy tool to crop the images, especially the WordPress magazine themes.
Usually, a lot WordPress theme use TimThumb resizing the first images in the post, however, with the developing of the WordPress, a featured images feature comes out, more people want to use the TimThumb to crop the featured images in the post.
If you want to re-size the WordPress featured image use timthumb, use the following code in the loop.
You can use the code replace the feature image code in the loop: