Agreed on the Advice forum. People here are far more likely to give you 3PP or homebrew stuff than anywhere else on the boards.
That said, as an alternative to the Monk of the Four Winds, you could take the Master of Many Styles monk, which can also grant you Elemental Fist at level on, but cause you to loose your flurry of blows. In theory it could allow you to fuse Efreeti and Marid Styles (Which improves fire-based & cold-based Elemental Fist attacks), but those styles can't mix together. Thus, unless you intend to mix those with other styles, it's inferior to the Four Winds monk.
An less monkish variant would be an Elemental Fist brawler. Unless you're ready to wait for level 8 to get elemental fist, you'll have to take a 1 or 2 level dip in either Four Wind or Many Styles monk. Since the brawler count as a monk for the purpose of requirement and effects for feat (thanks to Martial Training), you'll get the same benefits with Elemental Fist as a full monk, and get an easy access to the Efreeti & Marid Styles. Thanks to Martial flexibility, you wouldn't even have to know the styles (or the feats in the styles' path) to be able to use them.
