Where can I see the other half of the picture? ... i am in a rush and haven't actually read the theory... but if the picture is showing something, it might be true... I was looking at inital chapters of the manga and I could see sasuke on the head of the snake and Naruto on toad even in the starting... off course Sakura was on slug- something we haven't seen even yet.. so Not sure.. -_-ok i say it sucks cuz ure basing your theory off of the picture with sasuke and raijin. well that picture is incomplete. on the other half it's naruto and fuujin. so are you saying that naruto will summon fuujin since having sasuke and raijin in the same picture means that sasuke will attain a raijin summoning jutsu?
your theory seems arbitrary and you're finding independent facts to fit your hypothesis.
If I'll get enough time I will come back to read the details...