This army needed two stands of skirmishers - psiloi in DBA-speak - which normally come two figures per stand. It was simple enough to put together two overbases, each slightly different to emphasize the irregular nature of skirmishers.
(See here for a description of how I made my overbases.)
The next question was: which figures to use for skirmishers? Such light troops are normally armed with ranged weapons - javelins, slings, bows... which gave me plenty of possibilities from among the volunteer-supplied troops. Skirmishers were also often young men or boys, so I went looking for smaller, less "rich" looking warriors...
Of course, since I'm using these magnetic overbases, any such assignments are easily changed!
The Designated Skirmishers
I rather like the scruffy look of this slinger from adster.
This slinger has gone in for the "limed" hair look. Very sharp job from major blunder.
I love the face on this slinger, charging forward - from bagration. (As with most of these skirmishers, this figure came pre-based, so I slapped some Flex Magnet material to the bottom of his base.)
Another slinger with great facial expression. Alas, there's no signature on this figure - would the artist kindly identify himself?