Try to post on only a few topics and don't clutter your brand by resteeming too many other authors unless it fits with your topic list.
Also use mute button for posters that annoy you
And finally for curation use steem.li find post with traction that are near the 30 minute mark. You don't get full curation rewards unless you wait till a post is 30minutes old. Steem li helps you find the best post to vote on.