Yglesias hails this ad as a good one:

As I frequently note on these pages, I don’t have a TV so I don’t have a good sense of what quality political advertising looks like these days. To my untrained eye and ear this one seems flat. People might argue that “McCain=McSame” is a catchy phraselet. To me, it’s as catchy as this—yes, it gets stuck in my head, but I resent it being there.

But putting those quibbles aside, what struck me about the ad was its use of Photoshop as the main metaphor of the ad. Does your average person know that there are programs which allow you to select parts of images and cut them out? That transparency is denoted by a black and white checkerboard design? Yes, the ad gets its message across just fine, but couldn’t they have used a metaphor more immediately recognizable to a wider range of people?