Modify a social network php script

I need some changes to an existing website. [login to view URL] The above mentioned website is very similar to facebook. I need the following changes done to it: [login to view URL] website layout. Preferred layout looks [login to view URL] 2. Add chat rooms. 3. Add the following plugins - YouTube player (without increasing the size of the player) 4. Add gif player 5. Add meme maker. 6. Add chat rooms.