Scripts- "Discussion Boards, Picture Gallery, Calendar"-Required

Scripts- "Discussion Boards, Picture Gallery, Calendar"-Required Seeking customisable and integratable to an existing Website and database scripts of- "Discussion Boards, Picture Gallery, Calendar" etc. Discussion Boards: A User be able to post the contents, another User to Contact, Comment, Print etc. ((We dont require Free Boards of PhPBB/V Bulletin etc)). We require inbuilt scripts which can be customisable and integrated to the website. Picture Gallery: A User can save upto 10 Pictures. The Pictures can be viewed "One by One" or "One After Other" (Automatically). Another User be able to Contact, Comment, Save etc. Events Calendar: A Calendar which displays each day of the Month and a User can post events, view events of particular dates, contact poster etc. The Script is needed to be integrated to an existing website and database developed in PHP & MySQL.