well now you are an intermidiated player and here are some advices for you .
most of players like attacking. Aren't i right?
then for ur opening use roylopez opening. it is quite good for you. From the beginning to end you have to fight alot it is challenging for you. when you get bored with that moves change to juicoPiano opening . if your oppinment aviod your opening capture the center 4squares and develope your pieces quickly and initiate all the moves. This opening help you learning some rules in opening.