datalife engine scripter needed

hello, i want a coder who can make the next options available in my datalife engine website - when a post is older then 3 days, ads will be showed - when a post is older then 3 days, some words will be censored, which i will add. so actually this is the same censored word option in dle admin panel, but i want him work after posts older then 3 days my budget is only 30 dollar, dont bid more then that