One good man by name L7c did a little, but pleasant addition in portrait gallery of 58 BC
Now Caesar, Pompeus, Mark Antonius, Cicero and Cato have historical faces based on ancient roman sculpture portraits
Caesar
Pompeus
Cicero
Antonius
Cato
Portraits integrated to mod
Link:
http://files.filefront.com/PORTRAITS.../fileinfo.html
unpacked arcived files in - ......\58bc\data\ui\roman
Probably it will be possible to find and other portraits and maybe L7c make another portraits for 58BC mod