It's been awhile since I read comics, but second set, top middle are Hawk and Dove, bottom left COULD be Larfleeze (Orange Lantern) and bottom right is Zilius Zox (Red Lantern).
First set, bottom right could be Kilowog (Green Lantern), but I'm even less sure of that one.
My Sketch Card Collection: http://www.sketchcollectors.com/gallery.php?user_id=39
I am an IT specialist. If you see me laughing, pray you have a recent backup.