Things are not going well for P!nk these days! Not only is her marriage with motorcross champ, Carey Hart reportedly on shaky ground (he was seen flirting it up with another girl earlier this month), but she's also being sued for copyright infringement by Manhattan painter, Vladimir Kush, WENN reports. Now, we've never heard of the artist, but he says P!nk and her record label reproduced images from one of his paintings in her "U + Ur Hand" video without consent. We're sure P!nk wants to show him a certain finger on her hand…