diff --git a/docs/assets/asciinema-player/asciicast-load.js b/docs/assets/asciinema-player/asciicast-load.js
new file mode 100644
index 0000000..ae4d3ec
--- /dev/null
+++ b/docs/assets/asciinema-player/asciicast-load.js
@@ -0,0 +1,41 @@
+var slideshow = remark.create({
+    highlightStyle: 'monokai',
+    highlightLanguage: 'remark',
+    highlightLines: true,
+    countIncrementalSlides: false,
+    highlightSpans: true,
+    ratio: '16:9'
+});
+
+// Now retrieve all IDs of asciinema casts
+const allcasts = new Map();
+
+slideshow.on('afterShowSlide', function (slide) {
+  // Slide is the slide being navigated
+  var slideNumber = slide.getSlideIndex();
+  var element = document.getElementsByClassName("remark-visible")[0].getElementsByClassName('asciicast')
+  if (element.length == 0 ) {
+    return;
+  }
+
+  if (allcasts.has(slideNumber)) {
+    allcasts.get(slideNumber).play();
+    return;
+  }
+
+  var castid = element[0].attributes["id"].value;
+  var castsrc = element[0].attributes["data-src"].value;
+  allcasts.set(slideNumber, AsciinemaPlayer.create(
+      castsrc,
+      document.getElementById(castid),
+      { autoPlay: true, speed: 2, idle_time_limit: 8, rows: 23 }
+  ));
+});
+
+slideshow.on('beforeHideSlide', function (slide) {
+  // Slide is the slide being navigated
+  var slideNumber = slide.getSlideIndex();
+  if (allcasts.has(slideNumber)) {
+    allcasts.get(slideNumber).pause();
+  }
+});
\ No newline at end of file
diff --git a/docs/assets/fmriprep-bootcamp-geneva2024/day1-01-fmriprep-primer/index.html b/docs/assets/fmriprep-bootcamp-geneva2024/day1-01-fmriprep-primer/index.html
index 4d1b07f..99db485 100644
--- a/docs/assets/fmriprep-bootcamp-geneva2024/day1-01-fmriprep-primer/index.html
+++ b/docs/assets/fmriprep-bootcamp-geneva2024/day1-01-fmriprep-primer/index.html
@@ -989,53 +989,6 @@
 
 </textarea>
     <script src="https://remarkjs.com/downloads/remark-latest.min.js"></script>
-    <script>
-      var slideshow = remark.create({
-          highlightStyle: 'monokai',
-          highlightLanguage: 'remark',
-          highlightLines: true,
-          countIncrementalSlides: false,
-          highlightSpans: true,
-          ratio: '16:9'
-      });
-
-      // Now retrieve all IDs of asciinema casts
-      const allcasts = new Map();
-
-      slideshow.on('afterShowSlide', function (slide) {
-        // Slide is the slide being navigated
-        var slideNumber = slide.getSlideIndex();
-        var element = document.getElementsByClassName("remark-visible")[0].getElementsByClassName('asciicast')
-        if (element.length == 0 ) {
-          return;
-        }
-
-        if (allcasts.has(slideNumber)) {
-          allcasts.get(slideNumber).play();
-          return;
-        }
-
-        var castid = element[0].attributes["id"].value;
-        allcasts.set(slideNumber, AsciinemaPlayer.create(
-            'images/fix-typo.cast',
-            document.getElementById('636539'),
-            { autoPlay: true, speed: 2, idle_time_limit: 8, rows: 27 }
-        ));
-        // allcasts.set(slideNumber, AsciinemaPlayer.create(
-        //     'https://asciinema.org/a/' + castid + '.cast',
-        //     document.getElementById(castid),
-        //     { autoPlay: true, speed: 2, idle_time_limit: 8, rows: 17 }
-        // ));
-      });
-
-      slideshow.on('beforeHideSlide', function (slide) {
-        // Slide is the slide being navigated
-        var slideNumber = slide.getSlideIndex();
-        if (allcasts.has(slideNumber)) {
-          allcasts.get(slideNumber).pause();
-        }
-      });
-
-    </script>
+    <script src="/assets/asciinema-player/asciicast-load.js"></script>
   </body>
 </html>
diff --git a/docs/assets/fmriprep-bootcamp-geneva2024/day1-02-bids/index.html b/docs/assets/fmriprep-bootcamp-geneva2024/day1-02-bids/index.html
index 4012e3a..f0567cc 100644
--- a/docs/assets/fmriprep-bootcamp-geneva2024/day1-02-bids/index.html
+++ b/docs/assets/fmriprep-bootcamp-geneva2024/day1-02-bids/index.html
@@ -1350,8 +1350,8 @@
       };
       // Use: ![:doi](10.5129/10234)
       remark.macros.doi = function () {
-	var doi = this;
-	return '<a href="https://doi.org/' + doi + '">' + doi + '</a>';
+        var doi = this;
+        return '<a href="https://doi.org/' + doi + '">' + doi + '</a>';
       };
 
       var slideshow = remark.create({
@@ -1362,43 +1362,6 @@
           highlightSpans: true,
           ratio: '16:9'
       });
-
-      // Now retrieve all IDs of asciinema casts
-      const allcasts = new Map();
-
-      slideshow.on('afterShowSlide', function (slide) {
-        // Slide is the slide being navigated
-        var slideNumber = slide.getSlideIndex();
-        var element = document.getElementsByClassName("remark-visible")[0].getElementsByClassName('asciicast')
-        if (element.length == 0 ) {
-          return;
-        }
-
-        if (allcasts.has(slideNumber)) {
-          allcasts.get(slideNumber).play();
-          return;
-        }
-
-        var castid = element[0].attributes["id"].value;
-        allcasts.set(slideNumber, AsciinemaPlayer.create(
-            'images/fix-typo.cast',
-            document.getElementById('636539'),
-            { autoPlay: true, speed: 2, idle_time_limit: 8, rows: 27 }
-        ));
-        // allcasts.set(slideNumber, AsciinemaPlayer.create(
-        //     'https://asciinema.org/a/' + castid + '.cast',
-        //     document.getElementById(castid),
-        //     { autoPlay: true, speed: 2, idle_time_limit: 8, rows: 17 }
-        // ));
-      });
-
-      slideshow.on('beforeHideSlide', function (slide) {
-        // Slide is the slide being navigated
-        var slideNumber = slide.getSlideIndex();
-        if (allcasts.has(slideNumber)) {
-          allcasts.get(slideNumber).pause();
-        }
-      });
     </script>
   </body>
 </html>
diff --git a/docs/assets/fmriprep-bootcamp-geneva2024/day1-03-bids-hands-on/index.html b/docs/assets/fmriprep-bootcamp-geneva2024/day1-03-bids-hands-on/index.html
index 7e4773f..fe309f3 100644
--- a/docs/assets/fmriprep-bootcamp-geneva2024/day1-03-bids-hands-on/index.html
+++ b/docs/assets/fmriprep-bootcamp-geneva2024/day1-03-bids-hands-on/index.html
@@ -461,7 +461,7 @@
 .perma-sidebar[
 <p class="rotate">
 <a rel="license" href="http://creativecommons.org/licenses/by/4.0/"><img alt="Creative Commons License" style="border-width:0; height: 20px; padding-top: 6px;" src="https://i.creativecommons.org/l/by/4.0/88x31.png" /></a>
-  <span style="padding-left: 10px; font-weight: 600;">Day 1 :: Data & HPC</span>
+  <span style="padding-left: 10px; font-weight: 600;">Day 1 :: BIDS Hands-on</span>
 </p>
 ]
 
@@ -498,7 +498,17 @@
 # Logging in into a cluster and setting up conda
 
 .boxed-content.pad-top[
-<div class="asciicast" id="636539"></div>
+<div class="asciicast" id="636539" data-src="images/setting-conda.cast"></div>
+]
+
+---
+
+# Exploring the bootcamp's dataset
+
+.boxed-content[
+.center[[https://openneuro.org/datasets/ds005454/versions/1.0.0](https://openneuro.org/datasets/ds005454/versions/1.0.0)]
+
+<iframe src="https://openneuro.org/datasets/ds005454/versions/1.0.0" width="100%" height="500px" style="border: 0" />
 ]
 
 ---
@@ -506,60 +516,13 @@
 # First interaction with datalad
 
 .boxed-content.pad-top[
-<div class="asciicast" id="636540"></div>
+<div class="asciicast" id="636540" data-src="images/setting-datalad.cast"></div>
 ]
 
 ???
 
 </textarea>
     <script src="https://remarkjs.com/downloads/remark-latest.min.js"></script>
-    <script>
-      var slideshow = remark.create({
-          highlightStyle: 'monokai',
-          highlightLanguage: 'remark',
-          highlightLines: true,
-          countIncrementalSlides: false,
-          highlightSpans: true,
-          ratio: '16:9'
-      });
-
-      // Now retrieve all IDs of asciinema casts
-      const allcasts = new Map();
-
-      slideshow.on('afterShowSlide', function (slide) {
-        // Slide is the slide being navigated
-        var slideNumber = slide.getSlideIndex();
-        var element = document.getElementsByClassName("remark-visible")[0].getElementsByClassName('asciicast')
-        if (element.length == 0 ) {
-          return;
-        }
-
-        if (allcasts.has(slideNumber)) {
-          allcasts.get(slideNumber).play();
-          return;
-        }
-
-        var castid = element[0].attributes["id"].value;
-        allcasts.set(slideNumber, AsciinemaPlayer.create(
-            'images/setting-conda.cast',
-            document.getElementById('636539'),
-            { autoPlay: true, speed: 2, idle_time_limit: 8, rows: 23 }
-        ));
-        allcasts.set(slideNumber, AsciinemaPlayer.create(
-            'images/setting-datalad.cast',
-            document.getElementById('636540'),
-            { autoPlay: true, speed: 2, idle_time_limit: 8, rows: 23 }
-        ));
-      });
-
-      slideshow.on('beforeHideSlide', function (slide) {
-        // Slide is the slide being navigated
-        var slideNumber = slide.getSlideIndex();
-        if (allcasts.has(slideNumber)) {
-          allcasts.get(slideNumber).pause();
-        }
-      });
-
-    </script>
+    <script src="/assets/asciinema-player/asciicast-load.js"></script>
   </body>
 </html>
diff --git a/docs/assets/fmriprep-bootcamp-geneva2024/day1-04-data-and-hpc/index.html b/docs/assets/fmriprep-bootcamp-geneva2024/day1-04-data-and-hpc/index.html
index 6ff57ff..effd9ce 100644
--- a/docs/assets/fmriprep-bootcamp-geneva2024/day1-04-data-and-hpc/index.html
+++ b/docs/assets/fmriprep-bootcamp-geneva2024/day1-04-data-and-hpc/index.html
@@ -503,54 +503,7 @@
 
 
 </textarea>
-    <script src="https://remarkjs.com/downloads/remark-latest.min.js"></script>
-    <script>
-      var slideshow = remark.create({
-          highlightStyle: 'monokai',
-          highlightLanguage: 'remark',
-          highlightLines: true,
-          countIncrementalSlides: false,
-          highlightSpans: true,
-          ratio: '16:9'
-      });
-
-      // Now retrieve all IDs of asciinema casts
-      const allcasts = new Map();
-
-      slideshow.on('afterShowSlide', function (slide) {
-        // Slide is the slide being navigated
-        var slideNumber = slide.getSlideIndex();
-        var element = document.getElementsByClassName("remark-visible")[0].getElementsByClassName('asciicast')
-        if (element.length == 0 ) {
-          return;
-        }
-
-        if (allcasts.has(slideNumber)) {
-          allcasts.get(slideNumber).play();
-          return;
-        }
-
-        var castid = element[0].attributes["id"].value;
-        allcasts.set(slideNumber, AsciinemaPlayer.create(
-            'images/setting-conda.cast',
-            document.getElementById('636539'),
-            { autoPlay: true, speed: 2, idle_time_limit: 8, rows: 23 }
-        ));
-        // allcasts.set(slideNumber, AsciinemaPlayer.create(
-        //     'https://asciinema.org/a/' + castid + '.cast',
-        //     document.getElementById(castid),
-        //     { autoPlay: true, speed: 2, idle_time_limit: 8, rows: 17 }
-        // ));
-      });
-
-      slideshow.on('beforeHideSlide', function (slide) {
-        // Slide is the slide being navigated
-        var slideNumber = slide.getSlideIndex();
-        if (allcasts.has(slideNumber)) {
-          allcasts.get(slideNumber).pause();
-        }
-      });
-
-    </script>
+    <script src="https://remarkjs.com/downloads/remark-latest.min.js" />
+    <script src="/assets/asciinema-player/asciicast-load.js" />
   </body>
 </html>
diff --git a/docs/assets/fmriprep-bootcamp-geneva2024/home/index.html b/docs/assets/fmriprep-bootcamp-geneva2024/home/index.html
index 08cd7d3..dbdf2a4 100644
--- a/docs/assets/fmriprep-bootcamp-geneva2024/home/index.html
+++ b/docs/assets/fmriprep-bootcamp-geneva2024/home/index.html
@@ -709,68 +709,6 @@
 
 </textarea>
     <script src="https://remarkjs.com/downloads/remark-latest.min.js"></script>
-    <script>
-      // Use: ![:img Alt text with spaces but not commas, 50%](image.png)
-      remark.macros.img = function (altText, width) {
-        var url = this;
-        return '<img alt="' + altText + '" src="' + url + '" style="width: ' + width + '" />';
-      };
-      // Use: ![:video](10.5129/10234)
-      remark.macros.video = function (width) {
-        var url = this;
-        return '<video src="' + url + '" width="' + width + '" preload="auto" controls />';
-      };
-      // Use: ![:doi](10.5129/10234)
-      remark.macros.doi = function () {
-	var doi = this;
-	return '<a href="https://doi.org/' + doi + '">' + doi + '</a>';
-      };
-
-      var slideshow = remark.create({
-          highlightStyle: 'monokai',
-          highlightLanguage: 'remark',
-          highlightLines: true,
-          countIncrementalSlides: false,
-          highlightSpans: true,
-          ratio: '16:9'
-      });
-
-      // Now retrieve all IDs of asciinema casts
-      const allcasts = new Map();
-
-      slideshow.on('afterShowSlide', function (slide) {
-        // Slide is the slide being navigated
-        var slideNumber = slide.getSlideIndex();
-        var element = document.getElementsByClassName("remark-visible")[0].getElementsByClassName('asciicast')
-        if (element.length == 0 ) {
-          return;
-        }
-
-        if (allcasts.has(slideNumber)) {
-          allcasts.get(slideNumber).play();
-          return;
-        }
-
-        var castid = element[0].attributes["id"].value;
-        allcasts.set(slideNumber, AsciinemaPlayer.create(
-            'images/fix-typo.cast',
-            document.getElementById('636539'),
-            { autoPlay: true, speed: 2, idle_time_limit: 8, rows: 27 }
-        ));
-        // allcasts.set(slideNumber, AsciinemaPlayer.create(
-        //     'https://asciinema.org/a/' + castid + '.cast',
-        //     document.getElementById(castid),
-        //     { autoPlay: true, speed: 2, idle_time_limit: 8, rows: 17 }
-        // ));
-      });
-
-      slideshow.on('beforeHideSlide', function (slide) {
-        // Slide is the slide being navigated
-        var slideNumber = slide.getSlideIndex();
-        if (allcasts.has(slideNumber)) {
-          allcasts.get(slideNumber).pause();
-        }
-      });
-    </script>
+    <script src="/assets/asciinema-player/asciicast-load.js"></script>
   </body>
 </html>