here's something fun: word clouds for the Obama and McCain nomination speeches. Click the word clouds to see a larger version.
first, Obama's speech:

now, McCain's speech:

and just for shits and giggles, here's the word cloud from that nutcase Giuliani's speech from the RNC:

i doctored Giuliani's speech a little, as you probably guessed. i removed some 9-11 references to help the shape of the word cloud. ;)
check out
wordle to create your own. it's fun and there are a variety of fonts, themes and such to use.
here are two i made for the GPP:
