Video Embedder lets you easily add movies from a wide variety of online services, without breaking validation. Currently supporting over 20 services.
In that case I would appreciate it if you reported the issue via the comments on the homepage for Video Embedder.
I might actually do, first of all: Add a request via the comments on the homepage for Video Embedder. I promise to have a look on all requests!
The easiest way you can support the plugin is by spreading the word.