Maybe I just haven't been paying attention, but it seems recently these posters/images/stickers are popping up everywhere. I think overall its pretty cool; in general I love this kind of thing, and some are really well done. As Sheena pointed out, I've yet to see Hillary similarly commemorated, though she's got a big contingent out here.
For more on Obama-as-muse: "The Art of Politics" - Rob Walker in the NY Times
And here's Shepard Fairey's site (OBEY/OBAMA): http://obeygiant.com
