Refer to
http://www.frictionalgames.com/forum/thread-5117.html for monster spawns.
For patrol nodes, just place this code under your OnStart():
AddEnemyPatrolNode(string& asName, string& asNodeName, float afWaitTime, string& asAnimation);
"asName" = Name of your monster.
"asNodeName" = Name of your patrolnode.
"afWaitTime" = I believe that's the time the monster stays at the node.
"asAnimation" = Not sure what it does but probably some animation for the monster. Just leave this blank.
And don't forget to place out nodes in your map. ^^
Creator of The Dark Treasure.