Hi! Here is abstract fluid smoke. it comes in several colors and in B/W style. In order to place on your any background you can use ADD/SCREEN/OVERLAY color mode.
Regards
Abstract fluid smoke
Alpha Channel: No, Looped Video: No, Resolution: 1280x720, Video Encoding: QuickTime PhotoJPEG, File Size: 156mb, Total Clip(s) Length: 0:03