Easy way to get these...
Zealot Chef portrait - Forever Alone style.
Stank portrait - Planetary fortress and SCV repairing
Ornatus portrait - 2v2 AI, 2 mediums 1 very hard. Just keep healing the very hard's army.
Winning against insane AI is so damn impossible in star jeweled. They get twice the amount of energy as you... You also gotta be a pro at bejeweled to begin with.