-.. image:: images/distribution/dist_stability_statistics.png
-.. image:: images/distribution/dist_stability_threshold.png
+.. image:: images/distribution/dist_stability_statistics.PNG
+.. image:: images/distribution/dist_stability_threshold.PNG
-.. image:: images/distribution/dist_stability_monitor.png
-.. image:: images/distribution/dist_stability_threads.png
+.. image:: images/distribution/dist_stability_monitor.PNG
+.. image:: images/distribution/dist_stability_threads.PNG