diff --git a/GitDeepDive.org b/GitDeepDive.org
index 08c4dc9..bd8ec90 100644
--- a/GitDeepDive.org
+++ b/GitDeepDive.org
@@ -180,34 +180,24 @@
 
    #+REVEAL_HTML: </div>
 ** Merging approaches: Rebase
-*** Rebase                                                    :B_block:BMCOL:
-    :PROPERTIES:
-    :BEAMER_env: block
-    :BEAMER_col: 0.55
-    :END:
-    file:./fast-forward-completed-state.png
-*** Rebase                                                            :BMCOL:
-    :PROPERTIES:
-    :BEAMER_col: 0.25
-    :END:
-** Merging approaches: Rebase
-*** Rebase                                                    :B_block:BMCOL:
-    :PROPERTIES:
-    :BEAMER_env: block
-    :BEAMER_col: 0.55
-    :END:
-    file:./fast-forward-completed-state.png
-*** Rebase                                                            :BMCOL:
-    :PROPERTIES:
-    :BEAMER_col: 0.25
-    :END:
-    file:./rebase-completed-state.png
+   #+REVEAL_HTML: <div class="gridded_frame_with_columns">
+
+   #+REVEAL_HTML: <div class="one_of_2_columns">
+   #+ATTR_HTML: :width 70%
+   file:./images/fast-forward-completed-state.png
+   #+REVEAL_HTML: </div>
+
+   #+REVEAL_HTML: <div class="one_of_2_columns">
+
+   #+ATTR_REVEAL: :frag t
+   #+ATTR_HTML: :width 40%
+   file:./images/rebase-completed-state.png
+
+   #+REVEAL_HTML: </div>
+
+   #+REVEAL_HTML: </div>
 ** Merging appraoches: Decision tree
-*** Fast-forward/merge/rebase decision tree                           :BMCOL:
-    :PROPERTIES:
-    :BEAMER_col: 1.0
-    :END:
-    file:./merge-decision-tree-chart.png
+   file:./images/merge-decision-tree-chart.png
 * The Shallows
 ** 
 *** A little deeper                                           :B_block:BMCOL:
@@ -215,7 +205,7 @@
     :BEAMER_col: 0.9
     :BEAMER_env: block
     :END:
-     file:./Naufragio_por_Gustavo_Gerdel.jpg
+     file:./images/Naufragio_por_Gustavo_Gerdel.jpg
 
 #+latex: {\tiny
      By Ggerdel - Foto de: Gustavo Gerdel (BAB Buceo) [CC BY-SA 4.0 (https://creativecommons.org/licenses/by-sa/4.0)], via Wikimedia Commons
@@ -330,7 +320,7 @@
     :BEAMER_col: 0.9
     :BEAMER_env: block
     :END:
-     file:./Loligo_vulgaris.jpg
+     file:./images/Loligo_vulgaris.jpg
 
 #+latex: {\tiny
      By © Hans Hillewaert, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=385705
@@ -432,7 +422,7 @@
     :BEAMER_col: 0.7
     :BEAMER_env: block
     :END:
-     file:./Alvinella_pompejana01.jpg
+     file:./images/Alvinella_pompejana01.jpg
 
 #+latex: {\tiny
      By National Science Foundation (University of Delaware College of Marine Studies) - http://www.nsf.gov/od/lpa/news/press/01/pr0190.htm, Public Domain, https://commons.wikimedia.org/w/index.php?curid=7123122
@@ -697,7 +687,7 @@
    #+END_SRC
 
    #+RESULTS: fast-forward-initial-state-chart
-   [[file:./fast-forward-initial-state.png]]
+   [[file:./images/fast-forward-initial-state.png]]
 
 *** Flow legend
     #+name: ff-initial-legend
@@ -748,7 +738,7 @@
    #+END_SRC
 
    #+RESULTS: fast-forward-completed-state-chart
-   [[file:./fast-forward-completed-state.png]]
+   [[file:./images/fast-forward-completed-state.png]]
 
 *** Flow legend
     #+name: ff-completed-legend
@@ -799,7 +789,7 @@
    #+END_SRC
 
    #+RESULTS: two-branch-completed-state-chart
-   [[file:./two-branch-completed-state.png]]
+   [[file:./images/two-branch-completed-state.png]]
 
 *** Flow legend
     #+name: two-branch-completed-legend
@@ -853,7 +843,7 @@
    #+END_SRC
 
    #+RESULTS: rebase-completed-state-chart
-   [[file:./rebase-completed-state.png]]
+   [[file:./images/rebase-completed-state.png]]
 
 *** Flow legend
     #+name: rebase-completed-legend
diff --git a/images/merge-decision-tree-chart.png b/images/merge-decision-tree-chart.png
new file mode 100644
index 0000000..8f0cf8d
Binary files /dev/null and b/images/merge-decision-tree-chart.png differ