Images yes because you can make the content of a node be HTML. Similarly nodes could be colored. Fundamentally the org chart is built by using a table structure (literally table, tr, td etc). So assuming you could fit your desired styling within the constraints of that HTML structure you could. Finally draggable seems possible if you mean reorganize the hierarchy, if you mean change the graphical placement. Then I think no, or at least I haven't found any way.
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