Her Playboy picture with the flag on the ground is at the link:
http://reverbpress.com/news/michelle-manhart-posed-nude-with-flag/
Thanks for the link. I solidifies my belief that our American Flag, the symbol that so much of our blood and treasure has been sacrificed to uphold and respect, should never touch dirt. The protestors are grinding it into the dirt with their feet. At the link you provided, the dirt is draped in it.