Help Plz!!!

Hey Guys,
so just finished my first AFF site all looks awesome on page seo done.
i really need advice with offsite seo backlinking ect, iv managed to get a few backlinks from blogs forums ect but dont know what techniques do and dont work anymore.
any advice someone could PM me would be awesome understand nobody wants to give away there "secret suace" also feel free to link me to any good threads or sites
thanks in advance