Here's some guestcomics we've done:
Megatokyo #1
Goats #1
Questionable content #1
AppleGeeks #1
White ninja #1
DevStyle #1
Mecca Blue #1
Mecca Blue #2
Suppository (art-thing)

Here's some apearance of us in other comics:
pvponline #1 - "Guest comic"
Lethal Doses #1
AppleGeeks - Otakon 2004
Megatokyo - Otakon 2003
Megatokyo - On the shelf
Megatokyo - On the shelf
Dueling analogs - What if Christian and Madsen...
Dueling analogs - Big Trouble in Little Gamers
Bunny - Thing aftermath
Housd - Webstyles
Sara & David - David's Walk
ctrl+alt+del - Otakon 2003 Special Edition
MacHall - Otakon 2005
Combustible Orange
Dueling analogs - Big Trouble in Little Gamers
Necronomicon
FLEM

Here's interviews with Madsen or Christian:
ComicMix - 2008 feb 29
GameReactor - 2007 aug 14
GON - 2006 jan 06
Digital strips - 2005 mar 18
tWCL - 2004 dec 26

Little Gamers "Teh Game":
Epsicode
Gamespot
Gamespot - "Teh Game" handson, GDC 08
GameFaqs

Fun stuff, hehe:
Slashdot #1
Slashdot #2

In 2005 we went to a few conventions all over the world, a little "tour" you might call it. Tour was called "one love", thanks to leslie for that name :)

We tried to make a video-blog while "on tour", something that had mixed outcome. We are however getting a better DVcam and stuff for next year, so we'll make more "talk to camera" and maybe some interviews and shit? :)

Anyways, you can find the movies and galleries here