5 Room dungeon: http://www.roleplayingtips.com/readissue.php?number=156
Dressings: http://www.greyhawkonline.com/grodog/gh_castle_grodog.html#dressing http://jtevans.kilnar.com/rpg/dnd/tools/
http://forum.rpg.net/showthread.php?709362-The-Best-of-Dragon-Magazine
On Dungeon Building - Let There Be A Method To Your Madness, by Richard Gilbert, Dragon #10 p11