Welcome to the forum greatwhiteape, as far as forage for your SMB, a discussion about emerald shiners on here 2 years ago suggested that they would probably not reproduce in a pond, this was info from one of out fish experts CJBS2003, he mentioned small minnow alternatives like spotfin shiners, bluntnose minnows,or banded killifish.
Golden shiners are a very prolific forage although they can get quite large if your SMB are too small to control the larger ones.
You can disregard my info, I see Bill beat me to it.
