how do you create an admin interface in plugin for your theme

The newest and most complete tutorial to the settings API can be found here. I’d suggest to take a look there. I used a pretty similar way myself.

Sidenote: You should really mark some answer a solution. “0% acceptance rate” will people hold back from answering your Qs anymore.

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)