That lake looks great! I caught a pike on a Ward Bean's Jointed Minnow.
http://www.warmwaterflytyer.com/patterns3.asp?page=32 Any large colorful or flashy streamer should do. Fish for pike early in the year and late in the year, when the shallows are coolest. I'd also recommend you fish the outflow below the lake.
Thanks NJT & RH!