diff --git a/rmagick/composite1.rb b/rmagick/composite1.rb
new file mode 100644
index 0000000..4a44695
--- /dev/null
+++ b/rmagick/composite1.rb
@@ -0,0 +1,14 @@
+require 'rmagick'
+
+src = Magick::Image.read('rmagick/images/daewoo_fr_051A.jpg').first
+overlay = Magick::Image.read('rmagick/generated_images/draw1.png').first
+[
+	[120, 54],
+	[180, 54],
+	[120, 120],
+	[180, 120]
+].each do |coordinates|
+	src.composite!(overlay, coordinates[0], coordinates[1], Magick::OverCompositeOp)
+end
+
+src.write('rmagick/generated_images/daewoo_fr_051A_composite1.jpg')
\ No newline at end of file
diff --git a/rmagick/composite2.rb b/rmagick/composite2.rb
new file mode 100644
index 0000000..3f8f1e1
--- /dev/null
+++ b/rmagick/composite2.rb
@@ -0,0 +1,13 @@
+require 'rmagick'
+
+src = Magick::Image.read('rmagick/images/lenovo_g50_70_core_i3_403U.jpg').first
+puts Magick::GRAYColorspace
+src = src.resize_to_fill(102, 102).quantize(256, Magick::GRAYColorspace).contrast(true)
+overlay = Magick::Image.read('rmagick/generated_images/draw1.png').first
+src.composite!(overlay, 2, 10, Magick::OverCompositeOp)
+colored = Magick::Image.new(102, 102) {
+	self.background_color = '#1fff71'
+}
+
+colored.composite!(src.negate, 0, 0, Magick::CopyOpacityCompositeOp)
+colored.write('rmagick/generated_images/lenovo_g50_70_core_i3_403U_colored.jpg')
\ No newline at end of file
diff --git a/rmagick/draw1.rb b/rmagick/draw1.rb
new file mode 100644
index 0000000..372181d
--- /dev/null
+++ b/rmagick/draw1.rb
@@ -0,0 +1,15 @@
+require 'RMagick'
+
+canvas = Magick::ImageList.new
+canvas.new_image(45, 45, Magick::HatchFill.new('#56e1a8', 'gray90'))
+
+circle = Magick::Draw.new
+circle.stroke 'tomato'
+circle.fill_opacity 0.6
+circle.stroke_opacity 0.9
+circle.stroke_width 5
+circle.stroke_linecap 'round'
+
+circle.ellipse(canvas.rows / 2, canvas.columns / 2, 16, 16, 0, 270)
+circle.draw(canvas)
+canvas.write('rmagick/generated_images/draw1.png')
\ No newline at end of file
diff --git a/rmagick/generated_images/daewoo_fr_051A_composite1.jpg b/rmagick/generated_images/daewoo_fr_051A_composite1.jpg
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diff --git a/rmagick/generated_images/daewoo_fr_051A_resized_to_fill_quantized.jpg b/rmagick/generated_images/daewoo_fr_051A_resized_to_fill_quantized.jpg
new file mode 100644
index 0000000..0a2c5ed
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diff --git a/rmagick/generated_images/draw1.png b/rmagick/generated_images/draw1.png
new file mode 100644
index 0000000..8cd3532
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diff --git a/rmagick/generated_images/lenovo_g50_70_core_i3_403U_colored.jpg b/rmagick/generated_images/lenovo_g50_70_core_i3_403U_colored.jpg
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index 0000000..cd8abd0
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diff --git a/rmagick/generated_images/lenovo_g50_70_core_i3_403U_resized_to_fill_quantized.jpg b/rmagick/generated_images/lenovo_g50_70_core_i3_403U_resized_to_fill_quantized.jpg
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index 0000000..12b2ca7
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diff --git a/rmagick/generated_images/lenovo_g50_70_core_i3_403U_resized_to_fill_quantized_contrasted.jpg b/rmagick/generated_images/lenovo_g50_70_core_i3_403U_resized_to_fill_quantized_contrasted.jpg
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index 0000000..ee2615e
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diff --git a/rmagick/images/acer_iconia_tab_a1_841_16gb.jpg b/rmagick/images/acer_iconia_tab_a1_841_16gb.jpg
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diff --git a/rmagick/images/bowers_wilkins_cm5_wenge.jpg b/rmagick/images/bowers_wilkins_cm5_wenge.jpg
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diff --git a/rmagick/images/daewoo_fr_051A.jpg b/rmagick/images/daewoo_fr_051A.jpg
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index 0000000..010cb30
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diff --git a/rmagick/images/lenovo_g50_70_core_i3_403U.jpg b/rmagick/images/lenovo_g50_70_core_i3_403U.jpg
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index 0000000..703d270
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