Quick Poster Maker Link: Film Posters & Billboard Mock ups

Thumbnail Ideas for posters

https://graphics-pro.com/feature/the-digital-eye-horror-movie-poster/

https://ro.pinterest.com/pin/717550153114301405/

Free Film Poster Mock up:

https://placeit.net/c/design-templates/stages/online-poster-maker-horror-film-poster-template-a57?textText_T1=Be%20Scared!

Free Billboard Mock up:

https://placeit.net/c/mockups/?page=2&f_devices=Billboard

Free Green Screen stock videos

https://mixkit.co/free-stock-video/green-screen/

Editing still images in Photoshop superimposing new background:

https://www.studytonight.com/post/adding-custom-background-to-green-screen-pictures-using-photoshop