building a professional Frontpage for my ad network

Hi I need to build a very professional frontendpage for my ad network . It should not be to designa backend because our softwareis already done.. we need a front page .. where people will go to register as advertisers or publishers.. basically as any vertical ad network ,it should be a simple but professional looks frontpage... I will give you detail about the project when i decide to hire you. we need that now and since it is a small project iwant to pay $100 for it. I am waiting for your feedback.