CakePHP website add on & bug fixes

CakePHP website add on & bug fixes im looking for an expert on php to add few things to my site, like banner ads, including google ads, newsletter to register yours, join my mailing list , text editor , suggest events/ related events. buy tickets using paypal and credit cards, fixing some bugs such as, the country , and city name does not show from the first submitting of an event , update the social share, as well FB likes for every event. fb connect , add section for web address and contact information in the event page