diff --git a/2025/zfs-migrations/slides.md b/2025/zfs-migrations/slides.md
index dc98241..2ba1569 100644
--- a/2025/zfs-migrations/slides.md
+++ b/2025/zfs-migrations/slides.md
@@ -48,25 +48,25 @@
 
 ## Snapshots
 
-![gitflow1.svg](https://gricad-gitlab.univ-grenoble-alpes.fr/uploads/-/system/personal_snippet/339/bd9f6a847e821531acde7831c3afa9c7/gitflow1.svg =100%x)
+![gitflow1.svg](./assets/gitflow1.svg =100%x)
 
 ----
 
 ## Snapshots
 
-![gitflow2.svg](https://gricad-gitlab.univ-grenoble-alpes.fr/uploads/-/system/personal_snippet/339/98b95ac5511be266098338fa9197288c/gitflow2.svg =100%x)
+![gitflow2.svg](./assets/gitflow2.svg =100%x)
 
 ----
 
 ## Snapshots
 
-![gitflow3.svg](https://gricad-gitlab.univ-grenoble-alpes.fr/uploads/-/system/personal_snippet/339/ab3e6403503c24eb218c9af7a4b8b2f5/gitflow3.svg =100%x)
+![gitflow3.svg](./assets/gitflow3.svg =100%x)
 
 ----
 
 ## Snapshots
 
-![gitflow4.svg](https://gricad-gitlab.univ-grenoble-alpes.fr/uploads/-/system/personal_snippet/339/f4da1dc71b31e7f4dfc30e724ad1d826/gitflow4.svg =100%x)
+![gitflow4.svg](./assets/gitflow4.svg =100%x)
 
 ----
 
@@ -79,25 +79,29 @@
 ----
 
 ### ZFS
-![cow.gif](https://cdn.arstechnica.net/wp-content/uploads/2020/05/copyonwrite-000-nocow.gif)
+<!-- https://cdn.arstechnica.net/wp-content/uploads/2020/05/copyonwrite-000-nocow.gif -->
+![cow.gif](./assets/copyonwrite-000-nocow.gif)
 > Conventional Filesystem
 
 ----
 
 ### ZFS
-![cow.gif](https://cdn.arstechnica.net/wp-content/uploads/2020/05/copyonwrite-001-data-comet.gif)
+<!-- https://cdn.arstechnica.net/wp-content/uploads/2020/05/copyonwrite-000-nocow.gif -->
+![cow.gif](./assets/copyonwrite-001-data-comet.gif)
 > Copy on write (CoW)
 
 ----
 
 ### ZFS
-![cow.gif](https://cdn.arstechnica.net/wp-content/uploads/2020/05/copyonwrite-002-data-worm.gif)
+<!-- https://cdn.arstechnica.net/wp-content/uploads/2020/05/copyonwrite-002-data-worm.gif -->
+![cow.gif](./assets/copyonwrite-002-data-worm.gif)
 > Simplified CoW representation
 
 ----
 
 ### ZFS
-![cow.gif](https://cdn.arstechnica.net/wp-content/uploads/2020/05/copyonwrite-003-visualizing-snapshots.gif)
+<!-- https://cdn.arstechnica.net/wp-content/uploads/2020/05/copyonwrite-003-visualizing-snapshots.gif -->
+![cow.gif](./assets/copyonwrite-003-visualizing-snapshots.gif)
 > Snapshots using CoW
 
 ----