diff --git a/fig_gordon2017.png b/fig_gordon2017.png
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diff --git a/fig_multiscale.png b/fig_multiscale.png
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diff --git a/functional_parcellation_intro.ipynb b/functional_parcellation_intro.ipynb
index a09877c..ee1e0a5 100644
--- a/functional_parcellation_intro.ipynb
+++ b/functional_parcellation_intro.ipynb
@@ -58,7 +58,6 @@
     }
    },
    "source": [
-    "\n",
     "<div class=\"row content\">\n",
     "    <div class=\"col-lg-8 col-md-8 col-xs-8\">\n",
     "        <img class=\"img_slide\" src=\"graphs_adhd200.png\" width=\"75%\" alt=\"\">\n",
@@ -729,9 +728,8 @@
    "source": [
     "<h1><center>Multiresolution parcellations</center></h1>\n",
     "<par>\n",
-    "Functional parcellations have been studied at multiple resolutions in the literature, e.g. (Kelly et al., 2012). </par>\n",
     "<center>\n",
-    "<img class=\"img_slide\" src=\"kelly2012.png\" width=\"60%\">\n",
+    "<img class=\"img_slide\" src=\"fig_multiscale.png\" width=\"70%\">\n",
     "</center>"
    ]
   },
@@ -765,7 +763,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 22,
+   "execution_count": 24,
    "metadata": {
     "slideshow": {
      "slide_type": "-"
@@ -817,10 +815,10 @@
        "\" width=\"600\" height=\"270.0\" frameBorder=\"0\"></iframe>"
       ],
       "text/plain": [
-       "<nilearn.plotting.html_stat_map.StatMapView at 0x7fd8559d8650>"
+       "<nilearn.plotting.html_stat_map.StatMapView at 0x7fd8577136d0>"
       ]
      },
-     "execution_count": 22,
+     "execution_count": 24,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -846,7 +844,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 23,
+   "execution_count": 25,
    "metadata": {},
    "outputs": [
     {
@@ -894,10 +892,10 @@
        "\" width=\"600\" height=\"270.0\" frameBorder=\"0\"></iframe>"
       ],
       "text/plain": [
-       "<nilearn.plotting.html_stat_map.StatMapView at 0x7fd855574090>"
+       "<nilearn.plotting.html_stat_map.StatMapView at 0x7fd8577bae10>"
       ]
      },
-     "execution_count": 23,
+     "execution_count": 25,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -1008,6 +1006,64 @@
     "plotting.plot_stat_map(conn_map, display_mode='x', cut_coords=(2, ), threshold=0.5, vmax=1, \n",
     "    title=\"voxel fcMRI map (PCC)\", axes=plt.subplot(1, 4, 4), colorbar=False)"
    ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
+   "source": [
+    "<h1><center>Group reproducibility</center></h1>\n",
+    "With large, homogeneous groups, group-level parcellations reproduce closely. Figure adapted from Yeo, Krienen et al. 2011.\n",
+    "<center>\n",
+    "<img class=\"img_slide\" src=\"repro_yeo_krienen.png\" width=\"80%\">\n",
+    "</center>"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "slideshow": {
+     "slide_type": "subslide"
+    }
+   },
+   "source": [
+    "<div class=\"row content\">\n",
+    "    <div class=\"col-lg-8 col-md-8 col-xs-8\">\n",
+    "        <img class=\"img_slide\" src=\"fig_gordon2017.png\" width=\"60%\" alt=\"\">\n",
+    "    </div>\n",
+    "    <div class=\"col-lg-4 col-md-4 col-xs-4\">\n",
+    "        <h1><center>Individual parcels</center></h1>\n",
+    "        <par>\n",
+    "            For ten densely sampled individuals (10 runs of 30 mns resting-state over ten days) identify details in individual parcellations that cannot be observed at the level of group parcellations (indicated by arrows, group parcellation at the top). \n",
+    "        </par>\n",
+    "    </div>\n",
+    "</div>"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "slideshow": {
+     "slide_type": "subslide"
+    }
+   },
+   "source": [
+    "<div class=\"row content\">\n",
+    "    <div class=\"col-lg-4 col-md-4 col-xs-4\">\n",
+    "        <h1><center>Individual reproducibility</center></h1>\n",
+    "        <par>\n",
+    "            For ten densely sampled individuals (10 runs of 30 mns resting-state over ten days) identify details in individual parcellations that cannot be observed at the level of group parcellations (indicated by arrows, group parcellation at the top). \n",
+    "        </par>\n",
+    "    </div>\n",
+    "    <div class=\"col-lg-8 col-md-8 col-xs-8\">\n",
+    "        <img class=\"img_slide\" src=\"repro_gordon2017.png\" width=\"60%\" alt=\"\">\n",
+    "    </div>\n",
+    "    \n",
+    "</div>"
+   ]
   }
  ],
  "metadata": {
diff --git a/repro_gordon2017.png b/repro_gordon2017.png
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diff --git a/repro_yeo_krienen.png b/repro_yeo_krienen.png
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