Firefox logo graphic and quotes from satisfied users on the right. A PDF of the finished ad is available but be warned: it's a large and complex document.
Spread Firefox ealier announced that at the conclusion of their New York Times advertisement donation drive they have raised $250,000, with roughly 10,000 names to be placed in the ad. The team expects to use roughly $50,000 on the actual ad itself, and the remainder will go towards the Mozilla Foundation, and Firefox 1.0 launch activities. More info is available in the FAQ.
Update: Red Herring has an interview with Rob Davis, the mastermind behind the NYT ad campaign.
A preview of the Firefox ad
Firefox Ad In PDF