Those ones label very easy to insane are stupid. Don't use those as they change nothing. The one you want to download is the StarCrack versions. Try the newest version (v6.1.1), and just use the "Easy" version of it. It comes in three versions: easy, normal, and cheating.
Truthfully, if you are unwillingly to watch replays, learn from your mistakes, and adapt your tactics, you will never improve.