On peut rajouter des images dans l'éditeur tiny mce

app/assets/javascripts/events.js.coffee

@@ -11,14 +11,14 @@ $(document).ready ->
       ' bold italic strikethrough
       | bullist numlist outdent indent
       | alignleft aligncenter alignright alignjustify
-      | link media insertdatetime charmap table
+      | link image media insertdatetime charmap table
       | undo redo
       | searchreplace
       | code visualblocks preview fullscreen'
     ],
-    plugins: 'lists, advlist, autolink, link, charmap, paste, print, preview,
-      table, fullscreen, searchreplace, media, insertdatetime, visualblocks,
-      visualchars, wordcount, contextmenu, code'
+    plugins: 'lists, advlist, autolink, link, image, charmap, paste, print,
+      preview, table, fullscreen, searchreplace, media, insertdatetime,
+      visualblocks, visualchars, wordcount, contextmenu, code'
 
   # Manage event tags edition
   $('#event_tags').each ->