As far as I know you can fully customize the HomeMenu.
You can put FileManager as your first option in the menu, just needing to press ok.
For that, you could probably ask user pyro1000 or Hax, this last one perhaps only in Russian.
They know how to do it and maybe Farvoice knows how that's done too.
But wouldn't you rather use YAMJ?
It's nice. It reads the movies folder of some drive you have, goes out to the internet and gets the covers of the movies.
Like this:
Wish I know how that works.
Maybe one of these days I'll give it a shot at installing YAMJ.
Cheers