The Obama campaign claim that 95 per cent of families will pay less tax under the Democratic nominee than under a McCain-Palin administration.

In order to prove this, they have released a website which allows you to calculate you taxes hypothetically (assuming that the tax plan of either candidate was completely inaugurated.)

You can use the calculator here

Note: The completeness of the calculator has been questioned by CNN.

Meanwhile, the McCain-Palin campaign website have been working on an "I'm Joe the Plumber" video gallery:

You can submit your own "I'm Joe the plumber" video here