Create two small ads in PNG format for our website

Attached are the Adobe Illustrator (AI) files of the existing ad. The ad is not working very well so we need alternative designs tha will attract click-thorughs to the client's website. We need at least 5 alternative designs. The advertiser's website is: [login to view URL] Our website is [login to view URL] The existing ad shows up randomly on the right-hand-side of our home page and several other pages. The ad must be no more than 145 pixels wide and must be delivered as an AI file and as a finished PNG file. The height of 3 of the designs must be 100 pixels. Two of the designs can be up to 200 pixels high.