Feeling a little uneasy about picking up the January 2011 Playboy to see Pamela Anderson naked? Don't worry, your ogling will be for a very good cause. TMZ reports that the 43-year-old former Baywatch babe donated every penny of her $25,000 fee for the pictorial to charity—specifically, to Waves 4 Water, which provides water filters to people who don't have access to clean drinking water. Anderson tells the site, "Waves 4 water are my heroes. They get things done ... and yes, Playboy wrote them a check when I shot the cover (Jan. 2011 issue) directly for 25Gs...I've also donated personally...