Learn how to use layers in Pixelmator. You can place one image on top of the other and then use masks to blend them. You can use a simple clipping mask to quickly reveal only part of an image. You can use a layer mask to create cool effects like blending two images together gradually.
With "My Queue" you can quickly save videos to watch later.
To add an item to your queue just click the sign next to the video.
Once you've added a video visit "My Queue" to start watching!