LunaArts
A lot of small random stuff. Direct download.

Anime Episodes
Has 3 episodes up a week, then puts up 3 new ones. Direct download.

Cyberdojo
Has Vandread 1-13. Direct download.

Hearts of Ice
Very possibly the best Ranma 1/2 fan fiction I've ever read, and I read a lot.

The Magical Mystery Hibiki Tour
It's a long, but still cute, Ryoga/Yukyou fanfic.

Darkness Rising
A huge Slayer's fanfiction archive.

The Tenchi Muyo Fanfiction Archive
It's just what the title says.

Anime Desktops Archive
Get a new background for your desktop.

Anipike
Pretty much everyone knows what this is, and if you don't, you should.

Cybersex by E-Mail
This is one of the funniest things I've read. Give it a chance.

The Evil Overlord List
It's very long, but no one says you have to read the whole thing.