If you want to change the image on a blog post, you can do so by following these steps:
1. Click on the “edit” button located at the top left corner of your post.
2. Under the “content” tab, click on the “images” tab.
3. Select the image you want to use and click on the “crop” button to modify its dimensions.
4. Click on the “upload” button to upload your new image.
5. Click on the “publish” button to save your changes and publish your post.