Banners, FacebookBanner and Landing page design required

We need to do the following work to be done by an design expert: 1. Banners for online E-marking. Banners sizes: - 728 x 90 pixels - 468 x 60 pixels - 234 x 60 pixels - 300 x 250 pixels - 336 x 280 pixels - 250 x 250 pixels - 160 x 600 pixels - 120 x 600 pixels - 240 x 400 pixels - 120 x 240 pixels 2. Banner for Facebook page 3. Landing page style for Facebook page These works are for Daily deals web sites banners types like GROUPON and LIVINGSOCIAL. We will provide the logo to be used as the base for the design. We will need to see at least one concept proposal of the required work before we will assign the work to a designer.