Here's a simple (in theory, at least) idea of playing triplets in double strokes while playing the melody to a tune, in this case "Blue Monk". Here's a vid:
There are lots of ways to apply it around the drum set (RH on h.h., LH on snare, each hand on a different tom, etc.) so I'm going to try working on it this afternoon and I'll post more if there's something I particularly like.
DO try this at home!