Sites like LenosTube provide downloadable packs in formats like .mov .
Add the animation to a new track above your footage and set the composite mode to Overlay or use the 3D Keyer in the Color tab to remove backgrounds. Archivo de Descarga clean-youtube-subscribe-but...
Import your video and the animation file onto separate tracks. Use the Ultra Key effect to select and remove the green background. Sites like LenosTube provide downloadable packs in formats