Smoke Appears on tranparency area. Convenient to use in your video, it only remains to impose on Your video
Smoke Appears and Expands
Alpha Channel: Yes, Looped Video: Yes, Frame Rate: 29.97, Resolution: 1920x1080, Video Encoding: H.264, File Size: 138MB, Number of Clips: 1, Total Clip(s) Length: 0:09