Advertising banners for Web Development Company

I’m looking for developing a professional elegant banner design for web development company, the design will be published in Google Ad’s as per the below sizes, also should encourage viewers to visit on the site for more information. Highly preferred animated design banners. Banner Sizes : Leaderboard (728 x 90) Wide Skyscraper (160x600) Large Rectangle (336 x 280) Content concept : Should be for 2 – 3 slides Attractive, eye catchy background (preferable not so many elements) 3 Lines text, for banner (editable) Please note that all source files must be submitted for us. also ready templates will not be accepted.