In the first place, the word "Senjutsu" that is related to Senju Hashirama means "a Thousand Jutsus", or something along that line.
Naruto's "Senjutsu" means Sage Technics.
So the question is: where the hell are some of you getting Hashirama's senjutsu clan name/sage techs relation?
Sorry, but i don't see any hint there.
Yes he seems to have some kind of sage art, but has nothing to do with his clan name! *sigh*
Secondly: why ppl keep complaning about the chap's size.
It has been this way for a very, very, very long time... so by now, like it or not, it the normal size for a Naruto chap.
I feel your pain too and it would be nice to have a bigger one, but that all we'll get =(
Flashbacks inside flashbaks?
Maybe it's current time Hashirama thinking about the battle, then stopping that train of thought and thinking about their past.
So, no flashback inside flashback. Just a different one.
If it's a flashback inside a flashback.. so what? Still is a flashback that will allow us to understand things.
We may not like what Kishi's ideas for that story are, but we need to hear/read them nonetheless.