// This method does not use ActionEquipMostEffectiveArmor() and is a workaround
// to allow equipping clothing. It will equip any armor in the entering object's
// inventory. It can easily be modified to be used on a NPC's spawn script, but
// this is a good thing to have on a trigger around the module spawn point for
// PCs. Thanks to georage.
void main()
{
    // Get the entering object
    object oNPC = GetEnteringObject();
    string sLocal = "DO_ONCE" + ObjectToString(OBJECT_SELF);

    // Only do this once, and only to NPCs
    if(GetLocalInt(oNPC, sLocal) || GetIsPC(oNPC)) return;

    // Set to not do it again
    SetLocalInt(oNPC, sLocal, TRUE);

    // Loop the object's inventory and equip the first
    object oItem = GetFirstItemInInventory(oNPC);
    while(GetIsObjectValid(oItem))
    {
        // Check if armor, of course
        if(GetBaseItemType(oItem) == BASE_ITEM_ARMOR)
        {
            // Equip it and stop the script
            AssignCommand(oNPC, ActionEquipItem(oItem, INVENTORY_SLOT_CHEST));
            return;
        }

        oItem = GetNextItemInInventory(oNPC);
    }
}