diff --git a/monitor/mwm.lua b/monitor/mwm.lua
index 8ad3ef1..a1e5eb1 100644
--- a/monitor/mwm.lua
+++ b/monitor/mwm.lua
@@ -12,22 +12,23 @@ local window     = _G.window
 
 local function syntax()
 	printError('Syntax:')
-	error('mwm sessionName [monitor]')
+	error('mwm [--config=filename] [monitor]')
 end
 
-local args        = { ... }
+local args        = Util.parse(...)
 local UID         = 0
 local multishell  = { }
 local processes   = { }
 local parentTerm  = term.current()
-local sessionFile = args[1] or 'usr/config/mwm'
+local sessionFile = args.config or 'usr/config/mwm'
+local monName     = args[1]
 local running
 local parentMon
 
 local defaultEnv = Util.shallowCopy(_ENV)
 defaultEnv.multishell = multishell
-if args[2] then
-	parentMon = peripheral.wrap(args[2]) or syntax()
+if monName then
+	parentMon = peripheral.wrap(monName) or syntax()
 else
 	parentMon = peripheral.find('monitor') or syntax()
 end
diff --git a/monitor/termShare.lua b/monitor/termShare.lua
index f37b76b..2c44372 100644
--- a/monitor/termShare.lua
+++ b/monitor/termShare.lua
@@ -1,3 +1,5 @@
+local Util       = require('opus.util')
+
 local device     = _G.device
 local multishell = _ENV.multishell
 local os         = _G.os
@@ -6,9 +8,9 @@ local term       = _G.term
 -- list this terminal in the devices list so it's available via
 -- peripheral sharing
 
-local args = { ... }
-local name = args[1] or error('Syntax: termShare [device name] <title>')
-local title = args[2]
+local args = Util.parse(...)
+local name = args[1] or error('Syntax: termShare [--title=title] term_name')
+local title = args.title
 
 device[name] = term.current()
 device[name].name = name
diff --git a/neural/mobFollow.lua b/neural/mobFollow.lua
index 5f2da19..1ef1601 100644
--- a/neural/mobFollow.lua
+++ b/neural/mobFollow.lua
@@ -6,7 +6,7 @@ local Proxy      = require('core.proxy')
 local os = _G.os
 
 local args = { ... }
-local remoteId = args[1] or error('mobFollow <remote id>')
+local remoteId = args[1] or error('mobFollow REMOTE_ID')
 local ni = Proxy.create(remoteId, 'device/neuralInterface')
 
 if not ni then
diff --git a/neural/mobRancher.lua b/neural/mobRancher.lua
index 83c58d2..c09d7d3 100644
--- a/neural/mobRancher.lua
+++ b/neural/mobRancher.lua
@@ -3,15 +3,20 @@
 	Must be run on a mob with the same height.
 ]]
 
+local Array  = require('opus.array')
+local Config = require('opus.config')
 local neural = require('neural.interface')
 local Sound  = require('opus.sound')
 local Map    = require('opus.map')
 
 local os = _G.os
 
-local BREEDING   = 'Cow'
+local config = Config.load('mobRancher', {
+	animal = 'Cow',
+	maxAdults = 12,
+})
+
 local WALK_SPEED = 1.5
-local MAX_GROWN  = 12
 
 neural.assertModules({
 	'plethora:sensor',
@@ -76,8 +81,17 @@ local function kill(entity)
 end
 
 local function getEntities()
+	local sheep = Array.filter(neural.sense(), function(entity)
+		if entity.name == 'Sheep' and entity.y > -.5 then
+			return true
+		end
+	end)
+	if #sheep > config.maxAdults then
+		return sheep
+	end
+
 	return Map.filter(neural.sense(), function(entity)
-		if entity.name == BREEDING and entity.y > -.5 then
+		if entity.name == config.animal and entity.y > -.5 then
 			return true
 		end
 	end)
@@ -107,7 +121,7 @@ while true do
 
 	local entities = getEntities()
 
-	if Map.size(entities) > MAX_GROWN then
+	if Map.size(entities) > config.maxAdults then
 		kill(randomEntity(entities))
 	else
 		local entity = getHungry(entities)
diff --git a/swshop/Shoplogs.lua b/swshop/Shoplogs.lua
index 2427bc4..2eb605e 100644
--- a/swshop/Shoplogs.lua
+++ b/swshop/Shoplogs.lua
@@ -7,6 +7,7 @@ local colors = _G.colors
 local fs     = _G.fs
 
 UI:configure('Shoplogs', ...)
+
 local args = Util.parse( ... )
 local logFile = args[1] or '/usr/swshop.log'