Go to Pages
- Add a new page into WordPress and label it Blog.
 - Set the Template to Blog
 - Save your new page
 
Go to Genesis -> Theme Settings
- Locate the Content Archives area
 - Select one of the following: Select Display post content
 - Limit Content to 200 characters
 - Check Include the Featured Image?
 - Set Image Size to Blog Thumbnail (150 x 182)
 - Save