We have a newly developed website that needs to be improved graphically. This web site is aimed at the US market for general consumer use during US tax season (January to April). The web site consists of roughly 11 dynamic pages and another 6 supporting static pages.

What do I need:
Design graphics, page background, icons, etc. I would welcome suggestions and improvements on the general UI and usability design to make it an intuitive and easy to use site.

What I already have:
Web site is already functioning, developed using Java, PHP and MySQL.
A crude prototype is also available for reviewing.

Specific expertise/background that I am seeking:
JavaScript, Web Front End development, CSS, HTML.

Time frame for delivery:
We would need to have this work to be completed within 3-4 weeks of an accepted offer.