Ahh... so the sequel to the latest Vampire novel turned movie is due out. Filled with teenage angst, love triangles, and brooding pale people; well it just inspired me to search for vampy items in the mini world. Apparently it is very fashionable to be a vampire now and the wicked blood sucker has a sex appeal that has moved far beyond the hump backed goul of the original black and white Nosferatu flick! Check this bit out: http://www.youtube.com/watch?v=pr4lfgrAgEM
Be careful what you wish for. Isn't that the truth? Anyway, vampires aren't just for Halloween anymore kiddies. The Western world has a serious romance with the fanged. So go ahead and turn your mini mansion into a vampy abode with these elegant additions!1) First, you might want to move a well dressed Vampire into your dollhouse:
Above is Dracula by Julie Kendell of Jakdaws Attic http://www.freewebs.com/jakdaws/
Above are 'The Waspies' by Eileen Sedgwick. She didn't title them Vampires specifically but they sure fit the bill! http://www.eileensedgwick.com/web2009.5_files/page0001.htm
Above is a beautiful Goth girl by PetiteProperties. Is she a Vamp or just the girlfriend?Pat Benedict of WhoopitydooArt has been a prolific creator of an increadible array of Vampish dolls and ornaments, all one of a kind and handmade. Below are 2 of my favorite examples. To see more of her work: http://www.flickr.com/photos/20126126@N08/
2) Next, maybe add a few select pieces of bat winged or coffin inspired Gothic furniture? 
Above is a Gothic Vampire Bat Magical Hutch by MidnightsDream. The leathery curtains resemble bat wings! : http://www.etsy.com/view_listing.php?listing_id=33009601While searching for goulish goodies online, I stumbled across some of my own work on a forum called VampireRave.com They feature links and member ratings of all things related to Vampires. My OOAK Bella Lugosi Bed had a pretty good rating! Thanx my infernal friends! http://www.vampirerave.com/db/entry.php?id=18383&category=53
Below is my most recent creation, the OOAK Vampire Bat Dungeon Throne... not for the faint of heart! Available at http://www.etsy.com/view_listing.php?listing_id=33945649
3) Since the current bloodsucker frenzy was inspired by a novel, how about a Vampire themed library?
Above is a medieval Vampire manuscript and vial of blood by Erica Vanhorn. I love the extra details like her tiny bat tag and red wax seal! She is a member of AIM and I'm still searching for links to a website or shop?
Item currently available on eBid, artist or manufacturer unkown: http://us.ebid.net/perl/auction.cgi?mo=auction&auction=15349448&from=googlebase#pic
Above miniature Interview with a Vampire novel by Anne Rice, available at:http://www.bonanzle.com/booths/miniaturebookshelf/items/Dollhouse_Miniature_Book_Interview_w__the_Vampire_Rice_lt__H
Above is an exquisite turned acrylic vase by Turningsin that looks suitably red stained: http://www.etsy.com/view_listing.php?listing_id=33040736
Above is the delicious Plasma set by Enchanticals: http://www.etsy.com/view_listing.php?listing_id=32241152 Below is a full Vampiric Kitchen, also by Enchanticals who just outdoes herself with the details! I find the leg bone stirring stick amusing... What recipes would a succubus keep? For additional pics of this work:http://www.flickr.com/photos/enchanticals/3256655728/in/photostream/
I then found some very cute mice drinking from goblets of red 'wine'... does it have to be merlot or could it be the elixer of Mr. Vampire's poor dinner date?
5) Finally, every Creature of the Night needs a sturdy coffin for napping! Ray, or minibuilder, creates handmade wooden coffins in 1:12 scale.
You can also find wooden coffin trinket boxes at Micheals and other art supply stores. Of course more is available around Halloween so stock up! The scale might be a bit off, maybe too wide or too short for 1:12 dollhouses, but if you keep looking you will find some nice items that you can alter. Below is one of my own examples: 
Novelty Wood makes very nice handmade coffins in a variety of scales:http://www.novelty-wooden-coffins.com/
Another option are the countless very pretty resin coffin boxes that can be found at any fantasy or gothic gift shop online. I've gotten a few and think the 6" ones look the best in my 1:12 scale settings.
-Dragon Art carries very pretty Gothic resin casket shaped trinket boxes:
http://www.dragon-art-work.com/realistic-miniature-coffin-trinket-box-with-tribal-designs.htm
-Dragon Art carries very pretty Gothic resin casket shaped trinket boxes:
http://www.dragon-art-work.com/realistic-miniature-coffin-trinket-box-with-tribal-designs.htm
-True Sword also has beautiful 6" long resin coffin boxes:
http://www.trueswords.com/gargoyle-coffin-style-treasure-box-p-5209.html
http://www.trueswords.com/gargoyle-coffin-style-treasure-box-p-5209.html
There are also a multitude of little Vampire war and roleplaying figures that can be turned bookends, lamp posts, tabletop sculptures, and all manner of knickknacks around a spooky house. An example below that measures about 1 1/4":
