I just realized instead of talking about some of my fav comics I could show you! Myspace Dark Horse Presents is a free, online anthology book and it is here:
http://www.myspace.com/darkhorsepresents
Issues 18 and 35 (the current issue) have Usagi Yojimbo stories
A really cool Mike Mignola Christmas story is in issue 5
Issue 6 is a four-part story featuring The Goon
Issues 8 and 9 contain a 2-part BPRD story
A Professor Broom (Hellboy's Dad) story is in issue 23