Add a video preview of dblock insertion

Readme.org

@@ -18,7 +18,7 @@ spaced-repetition system that prompts you to review notes or revisit stubs and
 help them grow to maturity.
 
 #+attr_org: :width 650px
-[[file:images/org-roam-review.png]]
+[[file:./images/org-roam-review.png]]
 
 ** INCUBATING [[file:lisp/org-roam-links.el][org-roam-links]]
 Display a tree of backlinks /and/ forward links up to a configurable depth. Useful
@@ -38,6 +38,9 @@ Add org dynamic blocks that implement "canned searches" for org-roam. You can
 search for notes or list backlinks, then do additional filtering based on title
 or tags.
 
+#+attr_org: :width 650px
+[[file:images/org-roam-dblocks.gif]]
+
 ** SPIKE [[file:lisp/org-roam-gc.el][org-roam-gc]]
 Automatically delete empty dailies files so they don't build up forever.