customizing open source pligg cms (PHP)

Customizing open source php pligg ([login to view URL]) Pligg is a open source cms ([login to view URL]) Requirements: 1)Improve UI : I need a very good , very user friendly UI Make a new very good looking and user friendly template for pligg. PSD, design,logo, css template everything will have to be developed. 2)Implement AJAX whereever possible in pligg. I will provide details on this later. 3)Social integration Integrate pligg with facebook , twitter,gmail User must be able to sign in into pligg using facebook ,twitter,gmail ,yahoo id. After signing into it he can perform all operations on our websites. Also user must be able to share post on fb /twitter. 4)User can post comment [login to view URL] feature can be turned on/off from backed. That is we admin wants we can add/remove captcha for posting on website. 5)Admin should be able to link one post to other .(related post) Guidelines. Selected coder must first get the psd /design approved by me . UI must be new and very user friendly and orignal AJAX is required.( i will specify where) Ability to detect emeded youtube links and show it as it is shown on facebook etc Add image support for each post. Good search box (like one used in facebook ) No tables should be used>Only div and span UI and java script should work properly in all browsers like ie,firefox,crome,safari,opera For AJAX jquery /dojo should be [login to view URL] java script should not be used as it can coss cross browser compatibality Bid only if u can develop cool and good looking websites like facebook Give urls of cool websites u have developed in your bid. I will be availabe for chat every day after 9.30 [login to view URL] if u bid lets talk tomorrow 9.30 pm or ping me if i am online