This plugin allows you to create a tabbed section, via a widgets, that can display the featured image, along with the title and excerpt from each post.
The Genesis Tabs plugin is hosted at the WordPress Plugins directory. You can download it there.
1) Upload the entire genesis-tabs folder to the /wp-content/plugins/ directory
2) DO NOT change the name of the genesis-tabs folder
3) Activate the plugin through the ‘Plugins’ menu in WordPress
4) In the “Widgets” screen, drag the “Genesis Tabs” widget to the widget area of your choice, and configure.
Choose which categories you want to feature in the tabbed section, which post elements you want to show, and save the widget. Place the widget in the feature section of a Genesis child theme.