Update README with new "Support us" section

Author: AdrianMrn

README.md

@@ -70,9 +70,7 @@ Tests: 1, Assertions: 1, Failures: 1.
 
 ## Support us
 
-Learn how to create a package like this one, by watching our premium video course:
-
-[![Laravel Package training](https://spatie.be/github/package-training.jpg)](https://laravelpackage.training)
+[![Image](https://github-ads.s3.eu-central-1.amazonaws.com/phpunit-snapshot-assertions.jpg)](https://spatie.be/github-ad-click/phpunit-snapshot-assertions)
 
 We invest a lot of resources into creating [best in class open source packages](https://spatie.be/open-source). You can support us by [buying one of our paid products](https://spatie.be/open-source/support-us).