Add video tutorials from Tobin Bradley

docs/index.md

@@ -35,7 +35,18 @@ Targeted at people who want to reuse our process or want to contribute.
   - [Database Schema](/docs/database-schema)
   - [Imposm Mapping](/docs/imposm-schema)
 
-## Additional Documentation
+## Video Tutorial
+
+[Tobin Bradley](http://fuzzytolerance.info/) created an awesome video tutorial series
+that will introduce you into web maps, vector tiles and using osm2vectortiles.
+
+<iframe width="560" height="315" src="https://www.youtube.com/embed/xI7QkEodCac" frameborder="0" allowfullscreen></iframe>
+
+<iframe width="560" height="315" src="https://www.youtube.com/embed/GPArNrRL79Q" frameborder="0" allowfullscreen></iframe>
+
+<iframe width="560" height="315" src="https://www.youtube.com/embed/6nLZVdbmSYw" frameborder="0" allowfullscreen></iframe>
+
+## Academic Material
 
 OSM2VectorTiles arose from a study project. The original thesis
 is available publicly and if you wan't to dig deeper you are welcome