I’ve added your link in the live examples.
The only way to edit the name is by editing by the ryans_suckerfish.php file directly and there’s quite a few places you would need to edit it at. A search and replace may do the trick, although you’d need to make sure didn’t remove any of the wp_list_pages functions in the process.
That is a great idea though and I’ll try to implement an option for that in the admin panel in a future release. If I do, I’ll add a link to your site in the credits section on the WordPress repository.
Linking to a post of your choice would be more complicated than just editing the plugin. You would need to edit the function itself directly, although that is something I might add to a future plugin version as well.