Here are some interesting maps (and a few lists) that give different perspectives on why Bush won... They're worth a skim - some are quite funny (funny ha-ha? or funny omigod? or both?).

What Democracy Looks Like has several of the referenced maps, if you just want to skim them [sandhill.typepad.com].

• Red and Blue: Reprise 2004 [obsidianorder.blogspot.com]
• Canada 2.0 [mena.typepad.com/dollarshort]
• IQ and Politics [chrisevans3d.com]
• E Pluribus Screwed Again [sandhill.typepad.com]
• The Blogging of the President [bopnews.com]
  • The United States of Canada, and Jesusland
  • Cartograms of the 2004 US presidential election
  • 2004 Worldwide Election Returns
• Political Humor Pictures [politicalhumor.about.com]
  • Post Secessionist Map
  • Map of Liberty
  • Dumbfickistan
  • Slave States vs. Free States vs. 2004 Election Returns
  • God vs. Bush
• Bush Makes Not-So-Good Headlines in Europe [abcnews.com] (with a photo including the Daily Mirror Headline: How can 59,054,087 people be so DUMB? [mirror.co.uk] )

And, just to be thorough, Election Map Makers, Exercising Some Latitude [washingtonpost.com]