I've seen a few that have been shared - I'll link them here if I can find them.
I think right now most people here and on twitter have no taste, and post slop that were just sort of one shotted.
But there are people using these tools in a sort of hybrid way, which I think has incredible potential. You can use it to do CGI on existing footage, in a way that's orders of magnitudes faster and cheaper than current CGI methods.
I also think that the most viable models will be video-to-video, and audio-to-audio.
If you've read A Young Lady's Illustrated Primer, I think you might get what I'm saying. But essentially, you can capture a lot of emotion, expression, etc, using a cheap camera and a single actor, and then use AI to "stylize" it in a really cheap effective way, while keeping the emotion/expression. Adding lighting for example, upscaling the quality, changing the voice timbre while keeping the pacing, etc.