I don't drink lattes myself, but these are pretty cool and fitting for the IYB.
(From Flickr member, tonx)
(From Flickr member, dasedesign)
(From Flickr member, springleap.cpm)
(From Flickr member, bun buku)
(From Flickr member, springleap.com)
I'm actually surprised no-one has done a decent squid one yet (although if you know of one, do pass it along).
Wow this stuff is amazing. I've been messing around with latte designs myself, but nothing nearly this fancy. I learned how to make homemade lattes a few days ago from a neat article I found online. If you guys are interested, check it out http://www.kaycircle.com/index.php?q=How-to-make-a-Latte-at-home-withou…