Ibe, who joined from the Reds on Friday, came on as a substitute in the 2-1 win against Blackpool in the Championship.
"I am so excited by Jordan and what he now gives us. We saw glimpses of his skill in his first training session with us and he showed a bit more in the game," Clark is quoted as saying by the Daily Star.
"He seems so confident in his own ability. He has great power and pace. He is a real asset. We have done unbelievably well to get him."
Birmingham are 16th in the league table.