What is the program you are looking at them in? It appears to have inverted the mask (the alpha transparency) for the sequence images (not uncommon -- photoshop does that all the time, and Paint shop pro as well)

thou and I, my friend, can, in the most flunkey world, make, each of us, one non-flunkey, one hero, if we like: that will be two heroes to begin with. (Carlyle)