use new screenshot in repo

README.md

@@ -6,7 +6,7 @@ This repository containes a [WoTMUD](https://wotmud.info) map for the
 for Mudlet, from [https://github.com/weisluke/WoTMUD](https://github.com/weisluke/WoTMUD).
 It is converted to TinTin++ format by using [mapconv](https://gitlab.com/rascul/mapconv/).
 
-![tintin++ with map](https://i.imgur.com/ewF62cS.png)
+![tintin++ with map](https://gitlab.com/rascul/wotmud-tt-map/-/raw/master/shot.png)
 
 Currently, the map and accompanying script is not yet complete and not yet suitable
 for regular usage. I recommend using it only for testing.