I think you should add golden shiners. Go to http://www.andersonminnows.com/ and order 100 adult golden shiners. Next April order one of their boxes of golden shiner fry and stock them. If you get a good GSH population established it will really help your smb. I would look into adding 10 adult (15+") female LMB to help keep the bluegill in check, this way you won't have to worry about LMB taking over the pond.