diff --git a/slides/index.html b/slides/index.html
index 7aa8243666e72880b6daab96a0d7c77e559838aa..32f5533515f5f670b4c07fd98ea9b81eef0b693a 100644
--- a/slides/index.html
+++ b/slides/index.html
@@ -20,6 +20,12 @@
 	</head>
 	<body>
 	<div class="reveal">
+	  <div class='headerleft'>
+	    <span style='color: blue'>pyotb: a pythonic extension of Orfeo Toolbox</p>
+	  </div>
+	  <div class='headerright'>
+	    <span style='color: blue'>Nicolas Narçon</p>
+	  </div>
 	<div class="slides">
 
 	<!-- I/ PREMIERE PAGE -->
@@ -37,7 +43,7 @@
 		<p> Firenze, FOSS4G - 25 Aug. 2022</p>
 	</section>
 
-	<section data-background-image='illustrations/background.png'> 
+	<section style="top: 189px; display: block;" data-background-image='illustrations/background.png'> 
 		<h3>Satellite image processing in Python</h3>
 		<h4>A basic example: Pansharpening</h4>
 		<figure>
@@ -55,14 +61,14 @@
 		<section data-background-image='illustrations/background.png'> 
 			<h3>What a Python developer goes trough</h3>
 			<h4>Searching for pansharpening</h4>
-			<video data-autoplay width=70% data-src="illustrations/pansharpening_google_search_final_speedup.mp4"></video>
+			<video data-autoplay width=75% data-src="illustrations/pansharpening_google_search_final_speedup.mp4"></video>
 		</section>
 		
 		
 		<section data-background-image='illustrations/background.png'> 
 			<h3>What a Python developer goes trough</h3>
 			<h4>Trying the pansharpening</h4>
-			<video data-autoplay width=70% data-src="illustrations/pansharpening_memory_error_rasterio_speedup.mp4"></video>
+			<video data-autoplay width=75% data-src="illustrations/pansharpening_memory_error_rasterio_speedup.mp4"></video>
 		</section>
 		
 		<section data-background-image='illustrations/background.png'>
@@ -98,7 +104,7 @@
 
 	<section data-background-image='illustrations/background.png'> 
 		<h3>pyotb: remote sensing made easy</h3>
-		<video data-autoplay width=70% data-src="illustrations/pansharpening_pyotb_laptop_speedup.mp4"></video>
+		<video data-autoplay width=75% data-src="illustrations/pansharpening_pyotb_laptop_speedup.mp4"></video>
 	</section>
 	
 	<section data-background-image='illustrations/background.png'>
@@ -135,7 +141,7 @@
 	<section data-background-image='illustrations/background.png'> 
 		<h3>An usecase of pyotb</h3>
 		<p>Goal: labeling the bare soils<p>
-		<video data-autoplay width=70% data-src="illustrations/pyotb_usecase_speedup.mp4"></video>
+		<video data-autoplay width=74% data-src="illustrations/pyotb_usecase_speedup.mp4"></video>
 	</section>
 		
 	
@@ -214,7 +220,7 @@
 
 				  // Factor of the display size that should remain empty around
 				  // the content
-				  margin: 0.01,
+				  margin: 0.08,
 
 				  // Bounds for smallest/largest possible scale to apply to content
 				  minScale: 0.2,
diff --git a/slides/otb.css b/slides/otb.css
index 07b2bf4b29d03258fb30b48c8548ff55278b0d28..82bfcd0c06a56dac44b39d4e3fdec6abb844c0a2 100644
--- a/slides/otb.css
+++ b/slides/otb.css
@@ -258,6 +258,20 @@ y {
 
 .reveal small * {
   vertical-align: top; }
+  
+.reveal .headerleft {
+  position: absolute;
+  top: 0.3em;
+  left: 1%;
+  font-size: 1em;
+}
+
+.reveal .headerright {
+  position: absolute;
+  top: 0.3em;
+  right: 1%;
+  font-size: 1em;
+}
 
 
 /*********************************************