diff --git a/Demos/draw_line/draw_line.py b/Demos/draw_line/draw_line.py
index bd8b2062e..e85175071 100644
--- a/Demos/draw_line/draw_line.py
+++ b/Demos/draw_line/draw_line.py
@@ -2,12 +2,14 @@
 import Image
 import ImageDraw
 
-BLACK = 0
-WHITE = 255
+BLACK = "#000000"
+WHITE = "#ffffff"
 
+fg_color = BLACK
+bg_color = WHITE
 
 canvas_w, canvas_h = 100, 100
-im = Image.new(mode = "L", size = (canvas_w, canvas_h), color = WHITE)
+im = Image.new(mode = "RGB", size = (canvas_w, canvas_h), color = bg_color)
 
 draw = ImageDraw.Draw(im = im)
 
@@ -15,6 +17,6 @@ left_top_x, left_top_y = 10, 10
 right_bottom_x, right_bottom_y = 30, 100
 box = (left_top_x, left_top_y, right_bottom_x, right_bottom_y)
 
-draw.line(xy = box, fill = BLACK, width = 1)
+draw.line(xy = box, fill = fg_color, width = 1)
 
-im.save("draw_line.bmp")
+im.save("draw_line.jpeg")
diff --git a/Demos/draw_points/draw_points.py b/Demos/draw_points/draw_points.py
index 8835997fb..7a38621e3 100644
--- a/Demos/draw_points/draw_points.py
+++ b/Demos/draw_points/draw_points.py
@@ -2,11 +2,12 @@
 import Image
 import ImageDraw
 
-BLACK = "#ffffff"
-WHITE = "#000000"
 
-fg_color = WHITE
-bg_color = BLACK
+BLACK = "#000000"
+WHITE = "#ffffff"
+
+fg_color = BLACK
+bg_color = WHITE
 
 
 canvas_w, canvas_h = 100, 100
@@ -18,9 +19,8 @@ draw = ImageDraw.Draw(im = im)
 #or
 #xy = (p1_x, p1_y, p2_x, p2_y, p3_x, p3_y)
 
-y = 10
-for x in range(5, 100):
-    point = (x, y)
-    draw.point(point, fg_color)
+points = ((10, 10), (40, 10), (55, 35), (40,50))
+for point in points:
+    draw.point(xy = point, fill = fg_color)
 
-im.save("draw_points.png")
+im.save("draw_points.jpeg")
diff --git a/Demos/draw_rectangle/draw_rectangle.py b/Demos/draw_rectangle/draw_rectangle.py
index bec172d86..27a1d0f2e 100644
--- a/Demos/draw_rectangle/draw_rectangle.py
+++ b/Demos/draw_rectangle/draw_rectangle.py
@@ -2,11 +2,11 @@
 import Image
 import ImageDraw
 
-BLACK = "#ffffff"
-WHITE = "#000000"
+BLACK = "#000000"
+WHITE = "#ffffff"
 
-fg_color = WHITE
-bg_color = BLACK
+fg_color = BLACK
+bg_color = WHITE
 
 
 canvas_w, canvas_h = 100, 100
@@ -20,4 +20,4 @@ box = (left_top_x, left_top_y, right_bottom_x, right_bottom_y)
 
 draw.rectangle(xy = box, fill = fg_color, outline = None)
 
-im.save("draw_rectangle.bmp")
+im.save("draw_rectangle.jpeg")
diff --git a/Demos/image_resources/captcha.jpg b/Demos/image_resources/captcha.jpg
deleted file mode 100644
index e5d7db2f2..000000000
Binary files a/Demos/image_resources/captcha.jpg and /dev/null differ