Falling Rain can be used as overlay footage giving the illusion of falling rain. Falling rain consists of two videos RainLookingdown an RainLookingup. Each video has a different perspective of the rain falling.
Footage info:
1280×720p
29.29fps
alpha channel: YES
compression: NONE

Please note that the rain drops can be colorized using AE’s “tint” or Final Cuts “Tint” effect.