Shot of some glittering wall lights out of focus... overlays...
Warm lens flares on black background. Works as overlay on your footage
Light Leaks Overlay Background Animation For Your Footage 67
Film Burn Transition 1
Light transition overlay effect vertical
A montage of 12 unique lens flares traveling across the frame. Speed them up and use the Add blending mode to use as transitions between shots when editing. These were created using an After Effects template- Creation Lens Flares.