In virtually no order whatsoever, links to kill time by...
The Godawful Fan Fiction Forums (GAFF):
http://www.godawful.net/forums/index.php
"Snape's Too Sexy" (WARNING: lots of loud music and flashing lights! and it might cause you to burst a lung laughing!):
http://www.potterpuppetpals.com/sexy.swf
The Toobis Awards Community:
http://www.livejournal.com/community/toobis_awards/
The Kitty Pix LJ Community:
http://www.livejournal.com/community/kittypix/
The First Church of Smith and Neo (all Matrix slash, all the time!):
http://www.livejournal.com/community/neo_ex_machina/
VillainSupply.com -- Your Online Source For Everything EVIL:
http://www.villainsupply.com/index1.html
Agent Smith -- Unleashed A.I.:
http://www.gabe-e.com/smith/
Ah, the problems one encounters writing "Matrix" slash! Part One...
http://www.livejournal.com/community/lovethineenemy/15566.html
... and Part Two:
http://www.livejournal.com/users/surichan/165644.html
The Turkey City Lexicon (all the terminology you'll ever need as an SF writer):
http://www.sfwa.org/writing/turkeycity.html
I didn't think it was possible to do an Agent/OFC (original female character) in a way that wasn't outright laughable. Earelen proved me wrong -- her story is well-written, engaging, and yes, downright hot. Smith, Brown, AND Jones? Squeeeeee! *faints*
http://adultfan.nexcess.net/aff/story.php?no=2895
Rate My Kitten!
http://www.ratemykitten.com/ratemy/kitten
Binary Spam!:
http://www.plinko.net/binary/index.asp
The English-to-12-Year-Old-AOLer Translator:
http://ssshotaru.homestead.com/files/aolertranslator.html
AND the GAFF thread where you can post your translations, if you so desire:
http://www.godawful.net/forums/viewtopic.php?t=5137&highlight=
Visual artists, if you need photo reference, you could do a lot worse than to search PBase:
http://www.pbase.com/
DisturbingAuctions.com... This site is dedicated to the research and study of the most bizarre items found for sale on internet auction sites:
http://www.disturbingauctions.com/
Wren's Nest, a Wiccan/Pagan news service with comment function:
http://www.witchvox.com/wrensnest.html
The US Army Chaplain's Handbook Excerpt on Wicca (the religioustolerance.org site as a whole is utterly excellent for all religions):
http://www.religioustolerance.org/wic_usbk.htm
Treatment-resistant depression links:
http://www.psycom.net/depression.central.resistant.html
Bravenet.com -- more free web tools than you can shake a stick at:
http://www.bravenet.com/
And a picture of my cat Emmie, just 'cuz:

That's enough for now... I've got hundreds of them, but I'll save those for another time.
Have fun!
The Godawful Fan Fiction Forums (GAFF):
http://www.godawful.net/forums/index.php
"Snape's Too Sexy" (WARNING: lots of loud music and flashing lights! and it might cause you to burst a lung laughing!):
http://www.potterpuppetpals.com/sexy.swf
The Toobis Awards Community:
http://www.livejournal.com/community/toobis_awards/
The Kitty Pix LJ Community:
http://www.livejournal.com/community/kittypix/
The First Church of Smith and Neo (all Matrix slash, all the time!):
http://www.livejournal.com/community/neo_ex_machina/
VillainSupply.com -- Your Online Source For Everything EVIL:
http://www.villainsupply.com/index1.html
Agent Smith -- Unleashed A.I.:
http://www.gabe-e.com/smith/
Ah, the problems one encounters writing "Matrix" slash! Part One...
http://www.livejournal.com/community/lovethineenemy/15566.html
... and Part Two:
http://www.livejournal.com/users/surichan/165644.html
The Turkey City Lexicon (all the terminology you'll ever need as an SF writer):
http://www.sfwa.org/writing/turkeycity.html
I didn't think it was possible to do an Agent/OFC (original female character) in a way that wasn't outright laughable. Earelen proved me wrong -- her story is well-written, engaging, and yes, downright hot. Smith, Brown, AND Jones? Squeeeeee! *faints*
http://adultfan.nexcess.net/aff/story.php?no=2895
Rate My Kitten!
http://www.ratemykitten.com/ratemy/kitten
Binary Spam!:
http://www.plinko.net/binary/index.asp
The English-to-12-Year-Old-AOLer Translator:
http://ssshotaru.homestead.com/files/aolertranslator.html
AND the GAFF thread where you can post your translations, if you so desire:
http://www.godawful.net/forums/viewtopic.php?t=5137&highlight=
Visual artists, if you need photo reference, you could do a lot worse than to search PBase:
http://www.pbase.com/
DisturbingAuctions.com... This site is dedicated to the research and study of the most bizarre items found for sale on internet auction sites:
http://www.disturbingauctions.com/
Wren's Nest, a Wiccan/Pagan news service with comment function:
http://www.witchvox.com/wrensnest.html
The US Army Chaplain's Handbook Excerpt on Wicca (the religioustolerance.org site as a whole is utterly excellent for all religions):
http://www.religioustolerance.org/wic_usbk.htm
Treatment-resistant depression links:
http://www.psycom.net/depression.central.resistant.html
Bravenet.com -- more free web tools than you can shake a stick at:
http://www.bravenet.com/
And a picture of my cat Emmie, just 'cuz:

That's enough for now... I've got hundreds of them, but I'll save those for another time.
Have fun!