Is there any turotial for using both trunk js and jQuery along with 3.1 rails
Yes, there are many textbooks.
BackboneScreencasts.com has good screencasts.
Backbonefu.com has many good articles about using trunk.
Thoughtbot creates an e-book on the integration of Masters and Rails.
And there are many other resources on the Internet.
There is a great gem to simplify integration with the base: https://github.com/codebrew/backbone-rails
Here is an overview of using Backbone.js in Rails 3.1: http://codetunes.com/2012/01/03/backbone-js-rails-3-asynchronous-interfaces
I have not yet seen anyone mention this lesson, which I used to start with:
CloudEdit: Backbone.js tutorial with rails
... and part 2