Shadow wings??????

[darkrequiem1134]

is there anyway that i can do shadow wings with motion? i have been trying to figure out how to make shadow wings for a while. i tried it with after effects and i just got a mac with motion so i am attempting it with that now? any ideas?

they should look like something in this like i posted below....

the shot begins around 2 mins 25 seconds in....

http://www.youtube.com/watch?v=dZ9HvhteCDc

[Anhar Miah]

Just have an animated mask layer and then use this mask layer to apply color correction to, then make it semi transparent and darker (eg as an overlay)