web site layout and fixing

It is custom made multi module portal which contains: Online Selling & Purchasing Real Estate (Free listing on registration) Automobiles (Free listing on registration) Job Posting and Applying (Free listing on registration) Songs Downloads Audio (Free) Wallpapers and Images Download and Upload (4images used already) Web Solutions (Domain, Hosting and Development "Integrated with WHMCS" and "Onlinenic API") 1. Want to change the layout of the site. 2. Error fixing, and touching of few things on existing creation and has to create few things. 3. Want to make 1 data base of 3 databases (4images, whmcs and of custom made modules db) 4. Newsletter fixing and email templates creation (singup message, order message, return etc) Want to get completed in 4-6 months all. Payment will be made as per completion of the part of the work. For more details or question, feel free to ask.