It didn't look like animated smoke either. Unless they did a sprite mirror. But then I think they would have had to mirror the candle part too. There was just one frame and one frame only. It was near the animated candles but still separate from them.
And like I said, there's a lantern part too. Nowhere near the rest of the lanterns. I'll copy the ROM part into PSP and upload it now. BRB...
Other sprites I was wondering about, by the way:
A half-dagger. It's a dagger, but without the blade. It's even facing the wrong way.
(had more, but realized they were the passwords

)
OK, the lantern isn't an issue. I didn't realize there were 3 frames for the lanterns. I just assumed it was 2 frames like the candle and torch. I played CV3 to the boat just now and sure enough there were 3 frames of animation for them. So really, there are just two unknown sprites now... so far.
EDIT: YAY! On my other comp now! OK, here are the two sprites in question:
