diff --git a/src/config.py b/src/config.py
--- a/src/config.py
+++ b/src/config.py
@@ -3,8 +3,10 @@ import logging
 import json
 
 
+srcDir=os.path.dirname(__file__)
+
 logging.basicConfig(format='%(asctime)s %(levelname)s: %(message)s', level=logging.DEBUG)
-with open(os.path.join(os.path.dirname(__file__), "..", "config.json")) as f:
+with open(os.path.join(srcDir, "..", "config.json")) as f:
 	cfgFile=json.load(f)
 
 class misc:
@@ -12,6 +14,9 @@ class misc:
 	version=(0,0,0)
 	defaultImage=file.get("defaultImage", 0)
 
+	_imgDir=file.get("imgDir","../images")
+	imgDir=_imgDir if os.path.isabs(_imgDir) else os.path.join(srcDir,_imgDir)
+
 class gui:
 	file=cfgFile["gui"]
 	showBigPoints=file.get("showBigPoints", False)
diff --git a/src/core.py b/src/core.py
--- a/src/core.py
+++ b/src/core.py
@@ -21,10 +21,9 @@ class Core:
 		self._ownMessages=MsgQueue(self._handleEvent)
 		self._guiMessages=MsgQueue()
 
-		self._imgDir=os.path.join(os.path.dirname(__file__), "..","images")
-		self._imgs=sorted(os.listdir(self._imgDir))
+		self._imgs=sorted(os.listdir(cfg.misc.imgDir))
 		self._imgIndex=cfg.misc.defaultImage
-		imgPath=os.path.join(self._imgDir,self._imgs[self._imgIndex])
+		imgPath=os.path.join(cfg.misc.imgDir,self._imgs[self._imgIndex])
 		self._frame=PIL.Image.open(imgPath)
 
 		self._guiProc=multiprocessing.Process(name="gui", target=gui, args=(self._guiMessages,self._ownMessages))
@@ -42,7 +41,7 @@ class Core:
 
 	def relativeFrame(self,step):
 		self._imgIndex=(self._imgIndex+step)%len(self._imgs)
-		imgPath=os.path.join(self._imgDir,self._imgs[self._imgIndex])
+		imgPath=os.path.join(cfg.misc.imgDir,self._imgs[self._imgIndex])
 		self._frame=PIL.Image.open(imgPath)
 		self._guiMessages.send("setCurrentFrame",(self._frame.copy(),))
 		self.analyze()
@@ -54,6 +53,7 @@ class Core:
 				self._guiMessages.send("setGameState",(self.detector.board,))
 
 				self.go.transitionMove(self.detector.board)
+				log.debug("game record: %s",self.go._record)
 			else:
 				log.info("illegal position detected")
 
diff --git a/src/gamerecord.py b/src/gamerecord.py
--- a/src/gamerecord.py
+++ b/src/gamerecord.py
@@ -1,7 +1,4 @@
-import logging as log
-
-
-colorNames={1:"B",-1:"W"}
+from util import colorNames
 
 
 class Point:
diff --git a/src/go.py b/src/go.py
--- a/src/go.py
+++ b/src/go.py
@@ -1,13 +1,9 @@
 import logging as log
 
+from util import EMPTY,BLACK,WHITE,colorNames
 from gamerecord import GameRecord
 
 
-EMPTY=0
-BLACK=1
-WHITE=-1
-
-
 class Go:
 	## Initializes self.board to a list[r][c]=EMPTY.
 	def __init__(self,boardSize=19):
@@ -24,7 +20,7 @@ class Go:
 	#  @param color BLACK or WHITE
 	#  @return True on success, False on failure (illegal move)
 	def move(self,color,row,col):
-		if color!=self.toMove: log.warning("move by %s out of order",color)
+		if color!=self.toMove: log.warning("move by %s out of order",colorNames[color])
 		if self.board[row][col]!=EMPTY: return False
 
 		self.board[row][col]=color
diff --git a/src/util.py b/src/util.py
--- a/src/util.py
+++ b/src/util.py
@@ -2,6 +2,13 @@ import multiprocessing
 import logging as log
 
 
+EMPTY=0
+BLACK=1
+WHITE=-1
+
+colorNames={BLACK:"B",WHITE:"W"}
+
+
 class MsgQueue:
 	def __init__(self,handler=None):
 		self._queue=multiprocessing.Queue()