Honorable mentions:

Another nice one from Hugh.

Tiny, tiny puddle, but still a fun shot.

That's one psychedelic puddle!
3rd place:

A veritable puddle-scape.
2nd place:

That's an awesome selection and the colors are also great. Those iPhones take pretty good pictures!
Winner:

I like black and white images. This puddle was use for both reflection and distortion, creating a dream-like effect.