Here is a group of the Bilbo and the 13 Dwarfs (minus costumes) and a little video intro.
Ain’t it cool indeed!
I’ll allow myself a small squee!.
Somebody high five that casting director!! I mean it. Priority One high five. Stat!!
News coverage of press conference with the 13 dwarves and 1 hobbit:
http://www.3news.co.nz/Meet-the-cast-of-The-Hobbit/tabid/312/articleID/197973/Default.aspx
Sound quality on the second one is bad at the beginning.