Can anyone recommend some decent, waterproof bike speakers for an MP3 player? I like to listen to music as I pedal (the miles seem to fly away), but currently I have to use my earbuds. I only use them on a bike path, but when I tour, I want to be as aware as possible of everything around me while still enjoying my tunes.

Thanks!

(yes, I did a search on this, but there wasn't much)