I'm not sure that the color image of Hephaistos and Silenos is from the Francois Vase. This is a not uncommon theme and perhaps this image was brought in to provide a better illustration of this theme. Not only do they appear to be going in opposite directions, but they show very different degrees of damage. The color image is almost entirely complete, with only a little cracking (complete enough that we can see that the donkey is very happy), while in Tarbell's drawing, the lower half of the donkey is missing, as is Hephaistos' face, the inscriptions giving the god's name are in different places, and in the drawing there is not really any room for a silenos behind the donkey.

I'll leave most of DIonysia's questions for others, but I do want to disagree profoundly with Tarbell's assessment of the faces of Dionysos and Calliope. I've already addressed Dionysos in my last post. His look is meant to emphasize the madness associated with him. Since he is carrying a jar of wine, we are probably looking a Dionysos Bakkhos, the god of drunkenness. As for Calliope, if you look closely, you can see that she is playing a syrinx (panpipes). As Athena learned with the aulos, playing this sort of instrument can make you look silly. Athena was vain and chucked her flute, Calliope is more interested in music. This is evidence of the artist's skill, not his incompetence.