Copyright Thistledown Photography 2006-2012 Fresh, modern photography for families and high school seniors. Serving Corvallis, Oregon and the Mid Willamette Valley. Thistledown Photography specializes in modern portraiture of families, high school seniors, graduates, children, babies, maternity and newborns. Ali Smith is an Oregon portrait photographer and works on location in Corvallis, Albany, Salem, Eugene, Portland and Lake Oswego.