Minnows are all I use. Dropshot and slip bobber. I buy em by the pound for $20. I keep them in my 55gallon fish tank in the basement so I have them when needed.

It's funny that J White says there isn't great access to minnows in Mississippi as pretty much all the fat head minnows in Ohio come from Mississippi fish farms.

Here's a whole bunch of them...

mississippi fat head minnow fish farms - Google Search