How Do I Change the Thumbnail Preview in WordPress?

In WordPress, you can change the thumbnail preview by doing the following:

1. Log in to your WordPress site.

2. Click the Appearance tab in the admin section.

3. Under the Images heading, click the Thumbnail Preview link.

4. In the Thumbnail Preview panel that pops up, you can change the default thumbnail size, or select an image from your media library to use as the thumbnail.

5. Click the Update link to save your changes.