I've been toying with white muslin drop, w remote strobe behind it (w warm filter), remote strobe and umbrella in front, and mounted strobe:
http://flic.kr/p/99CtMh
Also, 1/32 power fill strobe, using "fill light" in Adobe Raw to grab a gritty feel outdoors.
http://www.flickr.com/photos/1187154...7624962228929/