guys help me..please

Do anda mean your ex is posting/copying pictures of anda and him on fb, atau just your pictures?
If it's anda and him, atau him and your friends, anything with him inside then all anda can do is -
1. ask him to stop taking your pictures even though they have him in it, they are YOUR pictures
2. block him as a friend
3. lapor him to the fb help team and explain that though he is in the pictures they are your pictures and anda don't want them to have them
4. don't put them up

If they're your pictures with nothing about him in them anda could -
1. lapor him immediately for stealing/posting your pictures on fb without your permission
2. block him as above
3. ignore it as your Friends say and let him get on with it.

anda should just ask him kindly to stop posting those pics. If he doesn't listen, just ignore him. He's bound to stop at some point in time.