Small bird with a red/pink cap or crown?

Hi - this is my first post.

I had a group of three small birds (sitting in a row - wish I had the camera handy!) near the bird bath this morning.  I live on four acres of sclerophyll forest in the north-west of Brisbane (a few kilometres from North Pine Dam). The birds were in the "scrub" near the bird bath. The "scrub" is densely planted grevilleas, bottle-brushes etc with a "Geisha Girl' overhanging the bird bath.

I have only the basic info for id-ing them.  Small, with short, red/pink beak with what apeared to be (from a distance) a red/pink (scarlet?) crown or cap.

I thought they might be firetails but the closest match I could find is a red-browed firetail. The challenge is that the little ones I saw, especially when facing me directly, apeared to have a crown or cap (at least to my eyes at the distance they were from me).

Are there alternatives to the red-browed firetail or do I concede that they had a brow not a cap or crown? 

Thanks

Ron