Not sure about the Green Algae as the pictures are a little blurry.
Looks like a mixture of different types

i am sure i can see "Bryopsis". Try and Google it and check out images.
The Red Algae in Picture 2 is a pain in the A#:SE

Cotton Turf Alage or Cotton Wool Algae
http://www.reefkeeping.com/issues/20...nftt/index.php If it hasn't spread i would remove it..
S.