How to fix Broken Thumbnails on Vimeo Video
Vimeo provides you the ability to pass over a Profile Image and Video titles etc.
Should you disable this you may find that you get images showing strangely on the DropFunnels end at the top left of your video.
1.) Open Video Settings
Hover over the video and open the Video Settings
2.) Scroll To Video Options and Disable the Items You Don't Require
Scroll to the Video Options and disable options such as:
and you'll no longer see broken images on your video.