diff --git a/Dockerfile/dockbix-xxl/Dockerfile b/Dockerfile/dockbix-xxl/Dockerfile
index 4d0012e..6490b2e 100644
--- a/Dockerfile/dockbix-xxl/Dockerfile
+++ b/Dockerfile/dockbix-xxl/Dockerfile
@@ -4,7 +4,7 @@ LABEL maintainer "Jan Garaj <info@monitoringartist.com>"
 # ZABBIX_VERSION=trunk tags/3.0.1 branches/dev/ZBXNEXT-1263-1
 
 ENV \
-  ZABBIX_VERSION=tags/3.4.5 \
+  ZABBIX_VERSION=tags/3.4.2 \
   ZS_enabled=true \
   ZA_enabled=true \
   ZW_enabled=true \
diff --git a/README.md b/README.md
index 254985d..d97c03f 100644
--- a/README.md
+++ b/README.md
@@ -10,6 +10,8 @@ If you like or use this project, please provide feedback to the author - Star it
 be able to start full containerized Dockbix XXL for 4 hours for free. You may also test latest dev version (compiled from the `trunk` svn branch):
 [![Docker Playground](https://img.shields.io/badge/Start_on_Docker_Playground-LATEST_version-green.svg?style=for-the-badge)](http://play-with-docker.com/?stack=https://raw.githubusercontent.com/monitoringartist/dockbix-xxl/master/stack-play-with-docker.yml) [![Docker Playground](https://img.shields.io/badge/Start_on_Docker_Playground-DEV_version-orange.svg?style=for-the-badge)](http://play-with-docker.com/?stack=https://raw.githubusercontent.com/monitoringartist/dockbix-xxl/master/stack-play-with-docker-dev.yml)
 
+![Dockbix Agent XXL Docker container](doc/dockbix-docker-playground.gif)
+
 ----
 
 **Overview of Monitoring Artist (dockerized) monitoring ecosystem:**