Look at the Lefty's Bug ( right here on this site.) SIMPLE to tie, cast better than most, rarely foul and CATCH fish like mad.
It's my "go to" popper for all species of Bass and WW fish in general. I make mine from balsa and cork and usually use a bucktail tail but that's personal prefference.

http://users2.ev1.net/~morger/Flyfishin ... _tying.htm