diff --git a/Graphics/ChalkBoard/Main.hs b/Graphics/ChalkBoard/Main.hs
--- a/Graphics/ChalkBoard/Main.hs
+++ b/Graphics/ChalkBoard/Main.hs
@@ -184,7 +184,6 @@
 			putMVar v2 (decode packet :: [Inst BufferId])
 			loop
 		loop
-	appendFile ("xx.txt") (show (decode options :: [Options]))
 	startRendering viewBoard v0 v2 (decode options :: [Options])
 	return ()	
 
diff --git a/Graphics/ChalkBoard/OpenGL/CBBE.hs b/Graphics/ChalkBoard/OpenGL/CBBE.hs
--- a/Graphics/ChalkBoard/OpenGL/CBBE.hs
+++ b/Graphics/ChalkBoard/OpenGL/CBBE.hs
@@ -433,7 +433,6 @@
 drawInsts :: [Inst BufferId] -> CBM ()
 drawInsts [] = return ()
 drawInsts (i:is) = do 
-    liftIO $ appendFile ("xx.txt") (show ("drawInst",i))
     case i of
             (Allocate b size depth (BackgroundArr arr)) -> allocateArrBuffer b size depth arr
             (Allocate b size depth bgColor) -> allocateBuffer b size depth bgColor
diff --git a/chalkboard.cabal b/chalkboard.cabal
--- a/chalkboard.cabal
+++ b/chalkboard.cabal
@@ -1,5 +1,5 @@
 Name:                chalkboard
-Version:             1.9.0.15
+Version:             1.9.0.16
 Synopsis:            Combinators for building and processing 2D images. 
 Description:	     ChalkBoard is a Haskell hosted Domain Specific Language (DSL) for image generation and processing.
 		The basic structure is a Chalk Board, a two-dimensional canvas of values, typically colors. 
@@ -22,6 +22,9 @@
 Extra-Source-Files:
         tutorial/basic/tutorial.pdf
         tutorial/basic/Main.hs
+	tests/test1/images/cb-text.gif
+	tests/test1/images/cb-text.jpg
+	tests/test1/images/cb-text.png
 
 Flag all
   Description: Enable full development tree, including all tests and examples
@@ -56,7 +59,7 @@
 -- The server is by default always built.
 -- The suffix number is the same as a version number, above.
 flag server { Default: True }
-Executable chalkboard-server-1_9_0_15
+Executable chalkboard-server-1_9_0_16
   if flag(server)
     buildable:            True
   else
diff --git a/tests/chalkmark/Main.hs b/tests/chalkmark/Main.hs
--- a/tests/chalkmark/Main.hs
+++ b/tests/chalkmark/Main.hs
@@ -1,3 +1,4 @@
+{-# OPTIONS_GHC -ddump-simpl-stats #-}
 module Main where
 	
 import Graphics.ChalkBoard as CB hiding (Board)
@@ -28,7 +29,7 @@
        where c = o $ RGB (x/count) (y/count) ((rX / 3) - fromIntegral (floor (rX / 3)))
 	     r' = r * 50 + y
 	
-    count = 40 -- + (fromIntegral(round (rX * 2) :: Int))
+    count = 20 -- + (fromIntegral(round (rX * 2) :: Int))
 --	20 -- 10 -- 1-- 20
 
 
diff --git a/tests/test1/images/cb-text.gif b/tests/test1/images/cb-text.gif
new file mode 100644
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diff --git a/tests/test1/images/cb-text.jpg b/tests/test1/images/cb-text.jpg
new file mode 100644
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diff --git a/tests/test1/images/cb-text.png b/tests/test1/images/cb-text.png
new file mode 100644
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diff --git a/tutorial/basic/tutorial.pdf b/tutorial/basic/tutorial.pdf
Binary files a/tutorial/basic/tutorial.pdf and b/tutorial/basic/tutorial.pdf differ