More SE/OpenStack doc

SwitchEngines/README.md

@@ -71,7 +71,11 @@ Please, refer to your OS documentation for the proper way to do so.
 
 **Goal:** instruct TF to handle a single OpenStack instance.
 
-:bulb: Mind that the SwitchEngines' default _zone_ is "ZH", as it is shown in the top bar of the Horizon dashboard.
+:bulb: Mind that the SwitchEngines' default _zone_ is "ZH", as it is shown in
+the top bar of the Horizon dashboard:
+
+![SwitchEngines project/zone selection](figures/SE_projetc-zone_Screenshot_2022-12-06_11-05-02.png)
+
 Make sure that the same zone is configured in your `clouds.yaml`:
 
 ```yaml