Google adwords image ads

We sell unlocked mobile phones through our website [login to view URL] and require the following range of banners for Google adwords. 300 x 50 Mobile leaderboard 468 x 60 Banner 728 x 90 Leaderboard 250 x 250 Square 200 x 200 Small square 336 x 280 Large rectangle 300 x 250 Inline rectangle 120 x 600 Skyscraper 160 x 600 Wide skyscraper The winning bidder will be required to design two versions of each these banners; one a generic branding template and the other with a specific offering. The final banners are to be in the adobe fireworks png format suitable for subsequent editing. Please ensure that you provide a link to your portfolio or previous work so that we can use this information in our selection process. Many thanks and we look forward to working with you.