McCain T-shirts? "Country First" signs? That's file footage from the 2008 presidential campaign, as Media Matters and Think Progress asserted. The same can be said for scenes showing the waving of pom-poms and Palin's use of a teleprompter: they're from 2008 election rallies.
This follows the admission of Fox's Sean Hannity that, as pointed out by Jon Stewart, Fox used footage from a larger September 12 tea party rally to illustrate a smaller anti-health reform rally.
These two episodes were brought to you by Fox, the "fair and balanced" network.