The only current ♭5 options combine the Dominant 7, which is why I can't use those. Here's one example of my work-around (on the first chord):

http://www.irealb.com/forums/showthr...cal-Peter-Pan)

Since I play piano (and mute that track) it makes no practical difference to me. I was just considering other instruments, and the improvisational scale option. F^9#11 does come very close, but doesn't emphasize the ♭5 in the melody. So, like I said, just wanted to toss that into the hat.