added cloud azure video, better links on other vids, how-to for vids …

…on test page (docker#3369)

Signed-off-by: Victoria Bialas <[email protected]>

docker-cloud/builds/automated-build.md

@@ -6,7 +6,7 @@ redirect_from:
 title: Automated builds
 ---
 
-[![Automated Builds with Docker Cloud](images/video-auto-builds-docker-cloud.png)](https://youtu.be/sl2mfyjnkXk "Automated Builds with Docker Cloud"){:target="_blank"}
+[![Automated Builds with Docker Cloud](images/video-auto-builds-docker-cloud.png)](https://youtu.be/sl2mfyjnkXk "Automated Builds with Docker Cloud"){:target="_blank" class="_"}
 
 > **Note**: Docker Cloud's Build functionality is in BETA.
 

docker-cloud/builds/automated-testing.md

@@ -6,7 +6,7 @@ redirect_from:
 title: Automated repository tests
 ---
 
-[![Automated Tests with Docker Cloud](images/video-auto-tests-docker-cloud.png)](https://www.youtube.com/watch?v=KX6PD2MANRI "Automated Tests with Docker Cloud"){:target="_blank"}
+[![Automated Tests with Docker Cloud](images/video-auto-tests-docker-cloud.png)](https://www.youtube.com/watch?v=KX6PD2MANRI "Automated Tests with Docker Cloud"){:target="_blank" class="_"}
 
 Docker Cloud can automatically test changes to your source code repositories
 using containers. You can enable `Autotest` on [any Docker Cloud repository](repos.md) to run tests on each pull request to the source code

docker-cloud/cloud-swarm/create-cloud-swarm-azure.md

@@ -5,6 +5,8 @@ keywords: swarm mode, swarms, create swarm, Cloud, Azure
 title: Create a new swarm on Microsoft Azure in Docker Cloud
 ---
 
+[![Deploying Swarms on Microsoft Azure with Docker Cloud](images/video-azure-docker-cloud.png)](https://www.youtube.com/watch?v=LlpyiGAVBVg "Deploying Swarms on Microsoft Azure with Docker Cloud"){:target="_blank" class="_"}
+
 {% include content/cloud-swarm-overview.md %}
 
 ## Link Docker Cloud to your service provider

test.md

@@ -67,7 +67,7 @@ culpa qui officia deserunt mollit anim id est laborum.
 ### Links
 
 - [a markdown link](https://docker.com/)
-
+https://github.com/docker/docker.github.io/tree/master/docker-cloud/images
 - [a markdown link that opens in a new window](https://docker.com/){: target="_blank" class="_" }
   (the `class="_"` trick prevents Atom from italicizing the whole rest of the file until it encounters another underscore.)
 
@@ -102,6 +102,18 @@ might be interesting. You can use them with Markdown or HTML images.
 
 - The same one, but using HTML: <img class="img-thumbnail" src="/images/footer_moby_icon.png" alt="a pretty wide image as a thumbnail, using HTML"/>
 
+## Videos
+
+You can add a link to a YouTube video like this:
+
+[![Deploying Swarms on Microsoft Azure with Docker Cloud](/docker-cloud/cloud-swarm/images/video-azure-docker-cloud.png)](https://www.youtube.com/watch?v=LlpyiGAVBVg "Deploying Swarms on Microsoft Azure with Docker Cloud"){:target="_blank" class="_"}
+
+To make the `.png` shown above, first take a screen snap of the YouTube video
+you want to use, then use a graphics app to overlay a play button onto the
+image.
+
+For the overlay, you can use the play button at
+[/docker-cloud/images/](https://github.com/docker/docker.github.io/tree/master/docker-cloud/images).
 
 ## Lists