Adding Firefox to the Internet Menu?

I have a wireless USB keyboard and mouse hooked up to the ATV and prefer using Firefox over Couch Surfer. Getting access to it through NitoTV > Applications > Firefox works but I’d prefer to have it under the Internet menu at the top, before YouTube and Radio. Is it possible to add menu items to existing Frontrow menus?

Unfortunately it’s not possible to add other items to the standard Apple menus.

Would it be possible to replace Couch Surfer under “Browser” with Firefox instead?