I posted a 5 part video of Bill Horan sculpting a portion of his next figure, a Civil War figure. You can view them here:
http://www.flattinfigures.com/sculpting-tutorial-with-bill-horanI know this is beyond the scope of flat tin figures, but I think there are people interested in both flats and full round figures, as well as sculpting secrets that can probably be used by sculptors of flat figures.
Cheers,
Steve