Subvert and profit is a website that allows you to buy diggs and/or stumbles. You'll just have to decide how many times you want your site to be dugg. As you all know, being on the frontpage of digg will bring tens of thousands of visitors to your website. or stumbled. There is also a section on the website for people who want to get paid to digg or stumble others links. It pays $0.50 for every digg or stumble you do. If you want to check it out, please sign up through my affiliate link: http://subvertandprofit.com You can use this link to sign up, wether you are an advertiser or a digger/stumbler.
cheating digg.com is pretty tough,...thru these buying and selling.. but stumbleupon maybe it will workout