Line 114 of the slideshare.php file, which reads
add_action('admin_menu', array('SlideShare_Admin','add_config_page'));
causes an error reading

First argument is expected to be a valid callback, ‘SlideShare_Admin::add_config_page’ was given

This error is logical, considering the add_config_page() method does not exist in SlideShare_Admin nor in Yoast_Plugin_Admin.

The Yoast_Plugin_Admin class, line 14 actually does what the above line was intended to do.
add_action( 'admin_menu', array(&$this, 'register_settings_page') );
So I commented out line 114 in slideshare.php and it’s no longer broken.

I hope this is resolved in the next maintenance version.

Regards,
Frederick

http://wordpress.org/extend/plugins/slideshare/