diff --git a/link_collection.txt b/link_collection.txt
index 811f1c3..da312a4 100644
--- a/link_collection.txt
+++ b/link_collection.txt
@@ -1,2 +1,4 @@
 Free for all Grafiken:
 http://gamedevelopment.tutsplus.com/articles/enjoy-these-totally-free-space-based-shoot-em-up-sprites--gamedev-2368
+Wie das aussieht, vor allem der nette Background:
+http://youtu.be/YzgwPClzPhU?t=3m40s