If you like Sunshine by Robin McKinley
Sunshine by Robin McKinley: "There are places in the world where darkness rules, where it's unwise to walk. But there hadn't been any trouble out at the lake for years, and Sunshine just needed a spot where she could be alone with her thoughts. Vampires never entered her mind. Until they found her." (Book summary)
There are lots of lists there to get you started. Some lists I might start with:
Fantasy Can be Funny: http://www.librarypoint.org/booklist/3131
Modern Fairy Tales: http://www.librarypoint.org/
Some series you might enjoy:
The Eyre Affair by Jasper Fforde - A series of books featuring Thursday Next, a literary detective, and head of Jurisfiction in an alternate 1980's Britain. The first title in the series is The Eyre Affair.
Grave Sight by Charlaine Harris - A series featuring Harper Connelly. After being struck by lightning, Harper discovers that she can find dead people and can "see" their last moments on earth.
'Scuse Me While I Kill This Guy by Leslie Langry has a series featuring a family who have been assassins
from time immemorial.
Sleeping With the Fishes by Maryjanice Davidson - A series featuring Fred, a decidedly unglamorous mermaid who hates water.
Soulless by Gail Carriger - The Parasol Protectorate series, set in Victorian times, features vampires, werewolves, ghosts, and at least one appearance by Queen Victoria. Alexia Tarabotti has problems: she's a spinster whose father is both Italian and dead. She has been attacked by a vampire. To top it off, she has no soul. (from eSequels).
Some other titles featuring quirky heroines (and a hero or two) that you might enjoy:
The Girl Who Chased the Moon by Sarah Addison Allen
Emily Benedict came to Mullaby, North Carolina, hoping to solve at least some of the riddles surrounding her mother's life. But the moment Emily enters the house where her mother grew up and meets the grandfather she never knew--a reclusive, real-life gentle giant--she realizes that mysteries aren't solved in Mullaby, they're a way of life.
A Dirty Job by Christopher Moore
An absurdly outrageous, howlingly funny, scathingly satiric novel about a neurotic, just-widowed father of a newborn whose life takes a really weird detour.
A Discovery of Witches by Deborah Harkness
Witch and Yale historian Diana Bishop discovers an enchanted manuscript, attracting the attention of 1,500-year-old vampire Matthew Clairmont. The orphaned daughter of two powerful witches, Bishop prefers intellect, but relies on magic when her discovery of a palimpsest documenting the origin of supernatural species releases an assortment of undead who threaten, stalk, and harass her.
The Night Circus by Erin Morgenstern
Waging a fierce competition for which they have trained since childhood, circus magicians Celia and Marco unexpectedly fall in love with each other and share a fantastical romance that manifests in fateful ways.
The Physick Book of Deliverance Dane by Katherine Howe
While readying her grandmother's abandoned home for sale, Connie Goodwin discovers an ancient key in a seventeenth-century Bible with a scrap of parchment bearing the name Deliverance Dane. In her quest to discover who this woman was and seeking a rare artifact--a physick book--Connie begins to feel haunted by visions of the long-ago witch trials and fears that she may be more tied to Salem's past than she could have imagined.
The Truth of All Things by Kieran Shields
Investigating the murder of a prostitute in 1892 Portland, Maine, Deputy Marshal Archie Lean discovers that the victim was ritually executed as a witch, and enlists the help of a criminologist with whom he follows a trail to the spiritual societies of gothic New England.