Rails 3 - Customizing the Error & 404 pages

Question

I\'m building a Rails 3 app on Heroku. Right now my error pages and 404 page are all standard rails/heroku pages.

I\'d like to customize these two. Have a page for an er

Answer 1

I found this tutorial quite useful:

http://ramblinglabs.com/blog/2012/01/rails-3-1-adding-custom-404-and-500-error-pages