I just took a GRE practice test and these are the words I didn't know. If you click on the word to the left of the colon it will take you to the definition; if you click on the word in the sentence it will take you to a picture I found by typing the word into google image search.
mendacious: It would seem that the good people at stentorian.com find Bill Clinton to be mendacious.
pusillanimous: On the other hand, the folks at novakeo.com find Bush to be pusillanimous when it comes to dealing with corporations.
penurious: Nevertheless, John Franco has them both beat when it comes to being penurious about giving up hits.
mettle: Artist Richard Krause has them all beat, displaying mettle in his paintings and his puns.
consonant: But despite their differences, Bush, Clinton, Franco, and Krause are all part of the flow of the universe, just as in this zen painting chaos is consonant with form.