You can customize the blog preview image and the blog cover page. To do this, here's what you need to do:
- Go to your Site Editor and click on "Settings".
- Go to your Blog > Blog Posts > Edit.
- Click on the "Background" button located at the top right of the blog editor.
- The blog post preview and your cover page will always be the same. We don't have a way to make your blog preview images different from your blog cover page as of now.
- If you have faces on your cover page, don't worry! We have a smart way to detect faces, so it shows up on your blog cover page.