Select full Image Size on widget “Genesis – Featured Posts”

If you replace genesis_get_additional_image_sizes(); with genesis_get_image_sizes() you can choose any size image for the widget thumbnail.

Replacement featured-post-widget.php is available on GitHub. And here is the replacement code:

$sizes = genesis_get_image_sizes();
                    foreach( (array) $sizes as $name => $size )
                        echo '<option value="'.esc_attr( $name ).'" '.selected( $name, $instance['image_size'], FALSE ).'>'.esc_html( $name ).' ( '.$size['width'].'x'.$size['height'].' )</option>';