diff --git a/README.md b/README.md
index 4c00b73..f015c82 100644
--- a/README.md
+++ b/README.md
@@ -28,47 +28,47 @@ The whole thing is largely about making it convenient to use.
 
 Everything is editable in place, all changes are saved automatically and last 50 revisions are kept for undo/redo:
 
-![In-place editing](https://nullboard.io/images/nullboard-inplace-editing.gif?x)
+![In-place editing](https://nullboard.io/images/nullboard-inplace-editing.gif?xx)
 
 New notes can be quickly added directly where they are needed, e.g. before or after existing notes:
 
-![Ctrl-add note](https://nullboard.io/images/nullboard-ctrl-add-note.gif?x)
+![Ctrl-add note](https://nullboard.io/images/nullboard-ctrl-add-note.gif?xx)
 
 Notes can also be dragged around, including to and from other lists:
 
-![Drag-n-drop](https://nullboard.io/images/nullboard-drag-n-drop.gif?x)
+![Drag-n-drop](https://nullboard.io/images/nullboard-drag-n-drop.gif?xx)
 
 Nearly all controls are hidden by default to reduce visual clutter to its minimum:
 
-![Hidden controls](https://nullboard.io/images/nullboard-hidden-controls.gif?x)
+![Hidden controls](https://nullboard.io/images/nullboard-hidden-controls.gif?xx)
 
 Longer notes can be collapsed to show just the first line, for even more compact view of the board:
 
-![Collapsed notes](https://nullboard.io/images/nullboard-collapsed-notes.gif?x)
+![Collapsed notes](https://nullboard.io/images/nullboard-collapsed-notes.gif?xx)
 
 The font is [Barlow](https://tribby.com/fonts/barlow/) - it's both narrow *and* still very legible. Absolutely fantastic design!
 
-![Barlow speciment](https://nullboard.io/images/barlow-specimen.png?y)
+![Barlow speciment](https://nullboard.io/images/barlow-specimen.png?xx)
 
 Notes can also be set to look a bit different. This is useful for partitioning lists into sections:
 
-![Raw notes](https://nullboard.io/images/nullboard-raw-notes.gif?x)
+![Raw notes](https://nullboard.io/images/nullboard-raw-notes.gif?xx)
 
 Links starting with https:// and http:// are recognized. They will "pulse" on mouse hover and can be opened via the right-click menu.
 
-![Links on hover](https://nullboard.io/images/nullboard-links-on-hover.gif)
+![Links on hover](https://nullboard.io/images/nullboard-links-on-hover.gif?xx)
 
 Pressing CapsLock will highlight all links and make them left-clickable.
 
-![Links reveal](https://nullboard.io/images/nullboard-links-reveal.gif)
+![Links reveal](https://nullboard.io/images/nullboard-links-reveal.gif?xx)
 
 Lists can be moved around as well, though not as flashy as notes:
 
-![List swapping](https://nullboard.io/images/nullboard-list-swap.gif?x)
+![List swapping](https://nullboard.io/images/nullboard-list-swap.gif?xx)
 
 The color theme can be inversed and the font size can be increased:
 
-![Theme and zoom](https://nullboard.io/images/nullboard-theme-and-zoom.gif?x)
+![Theme and zoom](https://nullboard.io/images/nullboard-theme-and-zoom.gif?xx)
 
 Also: