In Need of a Perfect, User Friendly Design to my Script and Some PHP codding (not much, simple) by Starin

Hi there, We have a themeforest clone script, codded in php. For those who are not familier with the system, its simply a martketplace like ebay, used to sell & buy web scripts, css, html5 themes, psd files, themes for cms, etc… (Budget: $250-$750 USD, Jobs: CSS, Graphic Design, HTML, PHP, Website Design)