After abruptly dumping Larry Gagosian last year, the UK’s richest artist Damien Hirst has invested in art auction Web site, Paddle8. Others who’ve joined the site’s latest $6 million round of financing include Alexander von Furstenberg, White Cube gallerist Jay Jopling and Matthew Mellon. With the cash infusion, the site’s aiming to expand into collectibles such as jewelry, and will open LA and London offices. The Paddle8 site was launched by co-founders Aditya Julka and Alexander Gilkes, with COO Osman Khan, in 2011.