If you want to start providing custom thumbnails for YouTube, there are a couple of features in Camtasia that make it easy to choose the perfect frame from your video, save it to your media bin and move it to your desktop so that the thumbnail can be uploaded to YouTube. In this video your will learn how to:
Use the Playhead's Add Exported Frame option.
Use the all-new Select in Media Bin helper option to quickly find the generated image in the Media Bin.
From there it's easy to save the exported frame to your desktop and upload to YouTube.