Fiverr is most probably bot traffic so if you want actual visitors then of course adwords and organic ranking / advertising.
I would think you should stick your header with full width and to the top, also make footer full width as well to make it look slightly better but...
What do you need to the server for? Those requirements are pretty low for this day and age.
You could use Dropbox perhaps and use direct linking?
As above, they should be relevant to the content. Meaningless keywords will make no difference, potentially cause negative consequences.
Site down already?
Separate names with a comma.
