Painting guides for the Macedonian and Punic Wars. My offering isn’t a comprehensive guide but it does cover:
Carthaginians
Including Carthaginians and Libyans
Spanish
Including Iberians, Celtiberians, Lusitanian, Balearics
Gauls
Both cavalry and infantry.
Romans
Infantry and cavalry. No pictures yet.
Macedonians
Including Macedonians and Successor States such as Seleucid.

Numidians
Cavalry and infantry

Ligurians
A few shots of my Ligurians
Italians
Infantry and cavalry. No pictures yet.
The Colour of Bronze
Ancient Bronze resembled our modern Brass.
References
Head, D. (1982). Armies of the Macedonian and Punic wars 359 BC to 146 BC. Wargames Research Group.
The definitive source. My painting guide does not replace Head (1982) as I make no attempt to duplicate his illustrations. All I do is list the colours to use. Where I mention “illustrations” I mean illustrations from Head’s book.