Terri Witek, whom some of you must know from West Chester, has published Fools and Crows, which is primarily ekphrastic poetry.
I gave a poetry reading the other night and wanted to display a painting of Leda and the Swan before reading Yeats's poem and my own "Leda." Here's what I found, from the school of Leonardo:
http://www.artcyclopedia.com/feature-2000-05-leda.html
Somehow I don't think this is the one Wild Bill had in mind.