So this last one is a little tricky, but I think it still means grateful. I mean, there is no hideous 8 to really make it official, but I have my reasons.
What gives it away you ask? The hand in this one has no middle finger. After a quick internet search or two I discovered that Jerry Garcia of The Grateful Dead had no middle finger on his right hand. Those crafty little hippies! (Picture snapped by Diona)