Classifieds Website 2 Modifications Urgent

Hi there, For this project -Please be familiar with Xzero classifieds script. Requirements- 1) Ability for users to enter HTML code in there Ad description when posting an ad and also if they enter website links, email address, etc, it appears all hyperlinked on the ad. 2) SEO the site URLS and make the Ad titles go on the URLS when ads are placed. The words in the Ad title should appear in the URL. Project is urgent requirement. Please bid accordingly if you can do this right away. Thank you !