Well, there's these two options for the JASDF RF-4EJs
And then there's all those amazing temporary schemes the JASDF applied for their Air Combat Meets.
More on these pages:
http://nabe3saviation.web.fc2.com/aF41j.html
http://nabe3saviation.web.fc2.com/aF42j.html
Cheers,
Motty.