Lemons and limes. And Yuri or Girl-Slash/femme-slash. Shonen-ai (yaoi without the graphic content) is fine.
No songfics, please! They are against FanFiction policy. Maybe you should go and read the guidelines again. (Yes, I admit I wrote one a while ago, but I was naive and didn't know better. And now you know better.)
I hate poetry, but I've had to read and analyze and write papers on so many poems, so if you really need my help, fine. =D
I will not read any Harry Potter stories featuring Ginny. I hate her. I will not read any Aquarion stories featuring ReikaHong Lihua. I hate her. I will not read any FFXII stories featuring Ashe. I hate her. I will not read and Teen Titan stories featuring Terra. I hate her. I will not read any Percy Jackson stories featuring Rachel Elizabeth Dare. I hate her. I WILL read any stories featuring these character if she is being bashed.
Pairings I Refuse to Read (Thus, I will not beta read any stories with these pairings):
Naruto: SasuNaru, SasuIno
Final Fantasy XII: VaanxAshe, BaschxVaan
Teen Titans: RobRae, BBTerra
Avatar: The Last Airbender: Kataang, ZukoxMai
Maximum Ride: Niggy, Eggy
Gossip Girl: DanxSerena