I'm a big fan of Marisa Miller so I definitely don't think she is "too skinny", but I like girls that are more trim/athletic-looking.
By the way, if you guys want to see some really good pics of her check out Google Images with safe surf turned off.
Anyways, why are larger females referred to as "womanly"? I'd say breasts and a vagina constitute "womanly" (without getting into the whole XY thing).