When you create a player using any Video Type you can add a click-able watermark to your video. In order to add a watermark turn on the toggle button next to Watermark under Customize options. 

Enter Watermark Image URL, Watermark Link, Select On Watermark Click action from drop down list, adjust watermark position by entering Watermark Position X% an Y%, enter Watermark Opacity%, enter Watermark Scale% and click Save to apply settings. 

On preview you'd see the watermark is added on your video.