Just use the split testing within Tubebuddy.
How will that help me choose the thumbnail on a short?Just use the split testing within Tubebuddy.
There are only a limited number of scenes in my shorts. If I make sure that at least one would also work as a thumbnail I'm thinking that I can up load many similar but slightly different versions and hope that YT randomly chooses the right thumbnail for one of them. That is the one that I publish.How will that help me choose the thumbnail on a short?