She looks more like she's about to bite it rather than suck it... or she really doesn't want that thing in her mouth.
<img src="http://www.ghettogalleries.com/suck/14/07.jpg">
<img src="http://www.ghettogalleries.com/suck/14/10.jpg">
And here's the "oh my god, what the fuck did I just do?" shot
<img src="http://www.ghettogalleries.com/suck/14/01.jpg">