We support Vimeo out of the box.
You just need to log on, add Vimeo App:
Then go to Vimeo, find the video you like to copy the link
Then Paste the link to OptiSigns' Vimeo app.
You don't have to enter the video name, the app will automatically get the official name of the video from Vimeo.
You then can use this Vimeo video on your playlist or assign directly to screen if you'd like.