Gil's LotD
http://www.says-it.com/seal/index.php The Official Seal Generator. I'll think of one for LotD later.
http://www.owensworld.com/flashgames/play.php?id=199/ The Teletubby Kill game. Warning, gory.
http://www.youtube.com/watch?v=T-uYju9qW_w Video about the mother of all login sounds.
http://www.mikeash.com/?page=software/gpulife/index.html A MacOS X screensaver which runs the game of live in a OpenGL shader, which means that the entire screen is being drawn by the graphics card. You can use this as a sort of benchmark for Mac graphics cards.
http://www.spikedhumor.com/articles/19017/Pacman_Running_Around_Library.html Pacman takes a trip to the library.
Gil's LotD
Happy new year!
http://www.officepoltergeist.com/ A safe and easy way to "hack" your buddies computer and make do all sorts of scary things! *evil laughter*
Gil's LotD
http://www.rjlsoftware.com/software/entertainment/ Software for use on April 1st
Gil's LotD
http://www.ratemynetworkdiagram.com/index2.php In the same vein as Am I Hot or Not is Rate my Network Diagram.
http://www.distopia.com/corporate/english.html Have some fun around the office with these mock official warning posters for employees.