Little question (image for video)

Hello, i\m trying to make a flyer with movies in it.

And want to have a first frame picture before the movie.
When people click on it, the movie can start.

But when i’m import a image for the background, the image dissapear after 1 sec and it shows the movie…

Are you trying to set a static image for an embedded video? This thread may help: Setting background or poster image for video elements