Let's see, as previously mentioned:
Sangre Eterna (LOVED this movie)
The Craft (I loved this movie when I was a teenager)
Home Room (pretty decent)
Gypsy 83 (I thought it was a cute movie)
Beetlejuice (loved this movie when I was a kid)
Book of Shadows (not horrible, but not a great movie either)
Butterfly Effect (never seen it)
I will add:
Hangman's Curse (terrible movie though)
NCIS (obviously not a movie, but oh well)
Blood Ties (another tv series)
Razorblade Smile (LOVE this movie)
My First Mister
Gingersnaps
Goth (TERRIBLE movie)
Hollywood Vamypr (TERRIBLE movie)
Bride of Chucky
Carrie (the remake)
Cradle of Fear
Saved
But I'm a Cheerleader (Liked this movie a lot)
Devil's Diary (stupid movie)
Strange Things Happen at Sundown (really low budget, but I liked it)
Blood: A butcher's tale
Queen Sized
Queen of the Damned
The Sublet
8mm
Strangeland
Dawn
Edison Death Machine
Automation Tranfusion (been a while since I've seen it, but I think some of the zombies were goths)
Doom Generation (been a while since I've seen it, but I think Rose McGowan's character was sort of gothy)
Love Bites
Well, that's all I can think of.