http://www.reddit.com/r/politics/comments/ohz2z/colbert_super_pac_goes_negative_on_romney_in/c3hfkil?context=1
http://www.webtlk.com/2011/09/13/how-to-watch-hulu-if-you-are-not-in-the-usa-modify-headers/

Video Instructions here: http://www.youtube.com/watch?v=Elg61eliT1Y

Firefox Addon "Modify Headers" https://addons.mozilla.org/en-US/firefox/addon/modify-headers/

Install the Modify Headers addon
In Firefox, Go to "Tools"/"Add-ons" -> "Modify headers"
From the drop-down box on the left select "Add"
Then enter: "X-Forwarded-For" in the first input box (without quotes)
Enter: "12.13.14.15" in the second input box (without quotes)
Leave the last input box empty, save the filter, and enable it
Click the "Configuration" tab on the right then proceed to check the "Always on" button.
Close the Modify Headers box and it should work.

For Hulu, it might still work but you also have to:
Block TCP and UDP port 1935.
(http://lifehacker.com/5583515/access-hulu-from-outside-the-us-without-a-proxy-server)

I might use another US IP address because Comedy Central might stop accepting the IP address 12.13.14.15
This does NOT work with BBC iPlayer and a UK IP.

Check to see if it is working here by looking at the Headers your browser trasmits:
http://checker.samair.ru/