include small browser wrapper script in the readme

README.md

@@ -12,3 +12,16 @@ Compile with ```mvn package```
 Find a compiled version [here](https://gultsch.de/ImageDownloader-0.1.jar)
 
 Usage: ```java -jar ImageDownloader.jar http://host.tld/path/to/file.jpg#theivandkey```
+
+If you change your browser in gajim to something like this script it will automatically open image links in your image viewer if you click on them.
+```
+#!/bin/bash
+URL=$1
+BROWSER=firefox
+JAVA=/usr/lib/jvm/java-8-openjdk/bin/java
+IMAGE_DOWNLOADER=/home/daniel/Projects/ImageDownloader/t
+if [ ${URL: -97:1} == "#" ]; then
+	$JAVA -jar $IMAGE_DOWNLOADER $URL | feh -. -
+else
+   $BROWSER $URL
+```