Kilday,
For smallies, If you want to go with a sinker, I recommend a 150 grain sink-tip with a 30ft head. Sometimes you'll wish you had a shorter one but you'll be able to cover more with the 30 footer. Intermediate sink and floating lines work good for Wiggle Minnows, too. The fly will dive when retrieved. Try the fly with many different presentations.

btw, here's the way a personally fish sink-tips. Or, how I match them. Don't pay attention to the manufacturers suggestion.
150 - 4 and 5wts
250 - 6 and 7wts
350 - 8wt
400 - 500 - 9 and 10wts.