Update README.md

Author: cjgabrie

README.md

@@ -1,8 +1,9 @@
 # BehaviorDEPOT ReadME
 
-
 ## Documentation is being moved over to the BehaviorDEPOT Wiki page (https://github.com/DeNardoLab/BehaviorDEPOT/wiki). Head there to check out updated documentation!
 
+![bd_v1 2_gui_image](https://user-images.githubusercontent.com/25350601/158289893-9f471a44-ba23-4991-8e49-9b60805cded9.png)
+
 - BehaviorDEPOT v1.2 is now live! Please give it a try, and let us know of any issues you may encounter.
 
 - To find out more about BehaviorDEPOT or to cite the software in your own paper, see our pre-print on bioRxiv: https://www.biorxiv.org/content/10.1101/2021.06.20.449150v2