This thread contains all of the previous stickied information regarding Sam FE and SE.
Custom Maps...with No Powerups - By Goober
http://www.gamemecca.net/forums/showthread.php?t=6301
Console Commands - By Pathos
http://www.gamemecca.net/forums/showthread.php?t=5688
Serious Sam Movies - By Pathos
http://www.gamemecca.net/forums/showthread.php?t=25525
Official ParseSam Thread - By Death Engineer
http://www.gamemecca.net/forums/showthread.php?t=62182
Sam Tactics #1 - By Goober
http://www.gamemecca.net/forums/showthread.php?t=17357
Serious Sam Server Monitor - By Mailman
http://www.gamemecca.net/forums/showthread.php?t=10262
Demos - By Sauron
http://www.gamemecca.net/forums/showthread.php?t=7265