diff --git a/.travis.yml b/.travis.yml
index 70c1ae5..41bd08a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,6 +2,7 @@ language: python
 install:
   - pip install codecov
   - pip install pytest-cov
+  - pip install Pillow
 python:
   - "3.5"
   - "3.6"
diff --git a/README.md b/README.md
index 981efcc..32980a0 100644
--- a/README.md
+++ b/README.md
@@ -17,6 +17,6 @@ This program aims to compute the approximate location of a mobile terminal for a
 ## Annex : N-Lateration 3D visualisation
 visuals.py provides a cool function to graphically represent the N-Lateration distances in a 3D space by creating an animated gif (RMI style)
 ### Example : 
-  <img src="https://dantz.fr/LO53/out.gif" width="200px">
+[![Screencap](https://dantz.fr/LO53/out.gif?)
 
   
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