modification of ablespace script

Hi i have a social networking website [login to view URL] i need custom modification and adding new applications into it. i need certain modifications in like. 1)i want to add scraps to it like in orkut. 2)it has mail system between the users .i want that users are able to mail and receive emails from outside the [login to view URL] transfer files of any type with anyone.( i have a alstrasoft sendit pro clone for transfering large data files in which actually data is uploaded on the server and the link is mailed but it is not working). 3)it has musical greeting card system but the cards cant be mailed outside the the site.i want it to email it to any outside email like gmail,yahoomail etcadd a browse button to upload any music file. a)i have a voice recorder in the user profile but not in the musical greeting card system.i want to integrate the voice recorder with greeting card,so that they can record there voice and email it. 4)its invitation system is just text based ,i want it to be html based.