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diff --git a/slides/illustrations/pansharpening_memory_error_rasterio_speedup.mp4 b/slides/illustrations/pansharpening_memory_error_rasterio_speedup.mp4
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diff --git a/slides/illustrations/pansharpening_pyotb_laptop_speedup.mp4 b/slides/illustrations/pansharpening_pyotb_laptop_speedup.mp4
new file mode 100644
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diff --git a/slides/index.html b/slides/index.html
index 59f5055a12c73929e0c914dd729e69450d0c1904..c82688a005e047f4ae38bac389d5fd3d9bdfadd7 100644
--- a/slides/index.html
+++ b/slides/index.html
@@ -12,12 +12,13 @@
 		<link rel="stylesheet" href="./revealjs/dist/reveal.css">
 		<link rel="stylesheet" href="./revealjs/dist/theme/white.css">
 		<link rel="stylesheet" href="otb.css" id="theme">
-		<link rel="stylesheet" href="block.css" id="slblock">
-
-		<!-- Theme used for syntax highlighted code -->
-		<link rel="stylesheet" href="a11y-light.css">
-		<!-- Theme used for drawer code -->
-		<link rel="stylesheet" href="./revealdrawer/dist/drawer.css" />
+		
+		<!-- I/ NOT USED ANYMORE -->
+		<!-- Theme used for syntax highlighted code 
+		<link rel="stylesheet" href="a11y-light.css"> -->
+		<!-- Theme used for drawer code
+		<link rel="stylesheet" href="./revealdrawer/dist/drawer.css" />  -->
+		
 	</head>
 	<body>
 	<div class="reveal">
@@ -46,7 +47,7 @@
 
 		<section data-background-image='illustrations/background.png'> 
 			<h2>What a developer goes trough</h2>
-			<video data-autoplay width=60% src="illustrations/pansharpening_google_search_final_speedup.mp4"></video>
+			<video data-autoplay width=70% src="illustrations/pansharpening_google_search_final_speedup.mp4"></video>
 		</section>
 
 		<section data-background-image='illustrations/background.png'> 
@@ -66,8 +67,18 @@
 		
 		<section data-background-image='illustrations/background.png'> 
 			<h2>Pansharpening in Python</h2>
-			<video data-autoplay width=60% src="illustrations/TODO"></video>
+			<video data-autoplay width=70% src="illustrations/pansharpening_memory_error_rasterio_speedup.mp4"></video>
+		</section>
+		
+		<section>
+		<figure>
+			<img src="illustrations/memory_error.png" width=80%/>
+		</figure>
+		<figure>
+			<img src="illustrations/michael_meme.png" width=50%/>
+		</figure>
 		</section>
+		
 
 		
 		
@@ -107,12 +118,31 @@
 	
 	
 	<!-- III/ PANSHARPENING WITH PYOTB -->
-		
+	<section>
+
+	<section data-background-image='illustrations/background.png'> 
+		<h2>pyotb: remote sensing made easy</h2>
+		<video data-autoplay width=70% src="illustrations/pansharpening_pyotb_laptop_speedup.mp4"></video>
+	</section>
+	
+	</section>
 	
-	<!-- III/ USECASE: EXAMPLE FROM THE DOC AVEC EXPORT RASTERIO -->
 	
 	
 	<!-- IV/ PERFORMANCE: ON A BIG SERVER IS IT SLOWER THAN FULL PYTHON ? -->
+	<section>
+	<section data-background-image='illustrations/background.png'> 
+		<h2>Performance comparison</h2>
+	</section>
+	</section>
+	
+	
+	<!-- V/ USECASE: EXAMPLE FROM THE DOC AVEC EXPORT RASTERIO -->
+	<section>
+	<section data-background-image='illustrations/background.png'> 
+		<h2>pyotb: An usecase</h2>
+	</section>
+	</section>
 	
 
 	
@@ -128,7 +158,6 @@
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 		<script src="./revealjs/plugin/markdown/markdown.js"></script>
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