A Quest For Fanfic
Perhaps the most comprehensive computer game fanfic site on the net. Has sections for most Sierra and LucasArts titles... and a lot more.

The Monkey Island RPG
Come join an online Monkey Island RPG! Contains some original fanfic.

The World of Monkey Island
More than just your general Monkey Island site, this one has a large fan fiction section with reader reviews...

Charles Frederick's home page
Author Charles Frederick's page, with his Grim Fandango novel, original fanfic, and no doubt lots of other brilliant stuff.

The International House of Mojo
Another brilliant LucasArts site. Plus they host me, so give 'em some love...

The Official LucasArts website