It's doing the weirdest thing for me, I get this[1] for the preview, but I get this[2] when I download it. Other than that it works better than I expected for non-real life stuff.

[1] http://i5.minus.com/i49HmJ8HXW90P.png

[2]http://i4.minus.com/ipofptgUlIIlj.png

closer inspection on the preview reveals this

http://i1.minus.com/iTe6ZEeS9Xv1k.png

It's playing nice with all the other screenshots I've thrown at it so far, though.

here's the original I guess if anyone wants to see if it happens with them too

http://i5.minus.com/iC7VIeASPpmHi.jpg